The cheek is pierced with a 22 - 24 mm labret/barbell during the procedure. Aztec men and women practiced labret piercing. Vertical labret piercings go through the center of the bottom lip, parallel to the tissue. A labret is one form of body piercing. Sometimes it is combined with a lower labret piercing to form a symmetrical look. The term labret denotes all kinds of pierced-lip ornaments, including plates and plugs. Another variation of the labret is known as the dahlia piercing. The traditional pronunciation of "labret" in anthropology is . A variation of this is the lowbret, a lower labret. After 3,000 BP, a divergence in labret wear in north and south coasts. The Russian term for the Tlingit, "Koloshi", derived from an Aluutiq word for labret.