Elongated labia Elongated labia Elongated labia (also known as Sinus pudoris or macronympha and albeit nonmedically, as khoikhoi apron or hottentot apron), are a feature of certain Khoikhoi people, whose female members develop relatively elongated labia minora, hanging up to four inches outside their vulva when they are standing in an upright position. The "apron" designation was apparently gained from the tendency of early European descriptions to misidentify the pair of labia as a single, wide organ, which they called, in French, a "tablier", or "apron". This trait was first noted as far back as the 17th century, but became extensively documented
Miner's apron vibration by acting as a sort of kidney belt. The miner's apron was a triangular or, more rarely, semi-circular piece of leather and was supported by the body belt. In Germany the design of the modern miner's apron is governed by DIN standard 23307 "Gesäßleder für den Bergbau (Arschleder)". The mining apron was introduced to German mining regions in the 15th century from the Slovakian mining area around Schemnitz (Banská Štiavnica). Early illustrations of it are found on the title page of the "Little Mining Book" ("Bergbüchlein") by Ulrich Rülein von Calw (1505) and on the miner's altar of St.