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Type of body piercings
Stretching, in the context of body piercing, is the deliberate expansion of a healed piercing for the purpose of wearing certain types of jewelry. Ear piercings are the most commonly stretched piercings, with nasal septum piercings, tongue piercings and lip piercings/lip plates following close behind. While all piercings can be stretched to some degree, cartilage piercings are usually more difficult to stretch and more likely to form hypertrophic scars if stretched quickly. Dermal punching is generally the preferred method for accommodating larger jewelry in cartilage piercings. Stretching is usually done in small increments to minimize the potential for damaging the healed fistula or creating scar tissue. In North America, most stretching methods go up by a single even sized gauge increment at a time. 0g (8 mm), is generally considered to be "the point of no return": a hole larger than this size will rarely close to a standard piercing size. Since each body is different, any stretched piercings, no matter the size, should be approached as a permanent body modification. In Europe and most of the rest of the world, jewelry is metric, but the increments between standard sizes are similar. The first recorded use of ear stretching comes from Ancient Egypt, and can be seen in the sarcophagus of the Pharaoh Tutankhamun. In addition, anthropologists believe that the use of having stretched ears originated in sub Saharan Africa.

There are minimal health issues directly related to stretched piercings. Most stretching methods do not create a wound, unless done too quickly. If an individual's skin elasticity and vascularity allow, most piercings can be stretched far beyond their initial size. Any size larger than 8mm is normally given as the "point of no return" for earlobe piercings, as beyond this size there is a significant risk that the hole will not shrink back to the size of the original piercing and may require cosmetic surgery in order to close the hole completely. Many variables affect whether or not a stretched piercing will return to its original size, such as the length of time taken to stretch and the amount of time the piercing is fully healed at a particular size. However, everyone's ears are different and some ears will not heal back even from a size smaller than 8mm.

There is a large variety of jewelry available for stretched piercings. Many jewelry materials can be used in the manufacturing of jewelry for stretched piercings; materials that would ordinarily be too delicate or brittle to be inserted in smaller gauge piercings are freely used. Stone, fossilized materials, wood, bone, horn, amber, bamboo, silicone, and glass are not uncommon in stretched piercings. Some of these materials "breathe" better than metals or plastics, preventing the buildup of sebum in the enlarged ear lobe. Jewelry, however, is still often made of acrylic or metal. There are dangers associated with wearing porous materials such as acrylic, stone, wood, bamboo, horn, bone, or other materials with small or microscopic holes, in a freshly stretched piercing. These materials not only have microscopic holes that will trap bacteria and can cause infection, but also cannot be autoclaved or properly sanitized, and are therefore unfit for a fresh stretch or piercing. The best materials for a fresh stretch that are not vulnerable to bacteria are implant grade steel, titanium, and glass. This is because these materials are non porous and can withstand the heat and pressure of an autoclave, so that they can be properly sanitized before insertion. The typical jewelry worn in a large stretched piercing is a plug, sometimes incorrectly referred to as a "gauge" or "gauges", which refers to the sizing system used in the U. S. It is solid and usually cylindrical, and may be flared out at one or both ends (saddle shaped), or kept in place by o rings fastened around the ends. A variation on this is the flesh tunnel, which is shaped in the same way, but hollow in the middle. Claw , talon , and spiral shaped pieces are also commonplace. Ear weights in varying degrees of size are also worn, commonly made from silver or bronze, though other metals such as copper or brass are occasionally used. However, some people are easily irritated by some metals; therefore, care should be taken when metal jewelry is worn. Ear cuffs (such as the gold ones utilized in South India provinces) or wrapped bead work (common amongst the Maasai of East Africa) are other options, though are not usually seen in modern Western contexts. There are several common methods used to enlarge piercings, of various origins and appropriate for different circumstances. Tapering: Tapering involves the use of a taper, a conical rod usually made specifically for this purpose. It is lubricated and pushed through the fistula until the widest part of the taper is level with the skin surrounding the piercing. Larger jewelry is then pushed through, parallel to the back of the taper. The use of a taper makes it easier to stretch a piercing before it is ready, which can lead to tearing the fistula, pain, bleeding, swelling, blowouts, and scar tissue. Dead stretching: Dead stretching is the process of inserting a larger piece of jewelry into an existing piercing without any other equipment. Some piercings will stretch slightly on their own and larger jewelry can be inserted without the potential for unpleasant side effects, especially piercings that see a lot of "play", such as tongue piercings. Self stretching can be induced in other piercings by massaging the tissue, playing with the jewelry, and tugging it in small circles. Dead stretching is very safe if the lubricated jewelry slides easily into the piercing. The jewelry should never be forced in place. Teflon tape stretching: The existing jewelry is removed and a thin layer of non adhesive Teflon tape (PFTE tape), which is inert and safe for piercing use, is wrapped around the jewelry. Non adhesive bondage tape and heat shrink tubing are also frequently used. Scalpelling: Rather than expanding a healed fistula, this method involves extending the size of the piercing by using a scalpel to cut the edge of the fistula, expanding its diameter. It is often used in earlobe piercings. This technique is also often used to alter the placement of a large piercing, combine two existing piercings into one larger one, or achieve a higher gauge piercing when scar tissue is preventing stretching, or when tissue has thinned too much making stretching too risky. Scalpel and taper or pierce and taper: After piercing or scalpelling, a large taper can be inserted directly after, allowing skin to instantly be stretched to large diameters; several inches can be achieved. This method is much rarer and can be extremely painful, causing formation of large amounts of scar tissue. Because of this, it is generally discouraged. It is also described as being less painful and less damaging to tissue than using a hypodermic needle of the same gauge.

Many young, western people have adopted the practice of stretching ear lobes for aesthetic reasons. This seems to give the impression that this is a modern practice, however, it is not. Ear stretching is a ritual that has been practiced by people all over the world from ancient times. Bone, horn, wood, and stone are generally carved for ear stretching, but other organic materials that have the right shape naturally, such as shells, teeth, and claws, have also been used. Historically, the practice has been used for the purpose of achieving social status, to scare enemies in war, and for aesthetic purposes. It has been and still is a common practice for people in many parts of the world, including Africa, Eurasia, America, and beyond.

The Ancient Egyptian pharaoh Tutankhamun is one of the earliest known rulers to have stretched ear lobes. This can clearly be seen in one of his more famous images on his sarcophagus. The instrument used to stretch the pharaoh's ears is unknown, but there are many possibilities including bamboo or wooden plugs.

Mummified bodies with stretched earlobes have been discovered, including the oldest mummified body discovered to date: Ötzi the Iceman (3300BC). As a way of remembering Buddha's act of walking away from his wealth (and his wife), most succeeding images of Gautama Buddha show his stretched ear lobes without jewellery.

The Sigiri frescos in Sri Lanka depicts many women from the 5th century who had stretched earlobes.

Stretched earlobes can be found on the heads of the giant statues (moai) on Easter Island, giving them the title 'Long Ears.' It is said that the original inhabitants of Easter Island carved the heads to depict themselves. When another tribe arrived to the Island, they were given the title 'Short Ears.' The 'Long Ears' would enslave the 'Short Ears' until there were more 'Short Ears' to overthrow them.

The Mursi are a Nilotic people inhabiting the Nile Valley, known for their women decorating themselves with wooden plates in both their ears and bottom lip. Around the age of fifteen and a year before her marriage, a young woman has her lip and ears pierced by her mother. She then pushes a wooden peg through each piercing. After the healing process, the pegs are changed and go up in diameter (usually 8–22 cm). Once the desired size is reached, the young woman receives a higher degree of respect than those without piercings.

Both Maasai men and women stretch their ears, although today more women than men follow the practice. Originally, the piercing was done with a sharpened object such as the point of a knife or a thorn. Heavy jewelry was then placed in the hole to increase the size. The Maasai are known for using materials such as animal bones, wood, stone, and tusks for jewelry.

The Fulani people are from Nigeria and elsewhere in western Africa. At the age of three years, girls will have their ears pierced but not stretched until they are older. These women will stretch their ears to a smaller diameter, unlike the Mursi and Maasai tribes, so that they can wear hoops and large gold domes.

The Lahu tribe from Thailand and the Karen Padaung from Myanmar are two known Asian tribes that practice ear stretching. They both believe that they should wear as much jewelry as possible because ears are revered as sacred.

Aztec and Mayan men are traditionally known to have had stretched ears. The Aztecs crafted plugs from gold and silver for the higher class men whereas the lower class wore materials such as shells, wood, and copper. The same idea can be seen with the Mayas. High class men wore jade plugs, and the rest of society used bone, stone, and wood. Taíno men and women of the Greater Antilles were recorded by explorer Christopher Columbus as having stretched ears.