A demi pointe equalizer, exerciser, and tensioning device that is a small pad in the general shape of a common big toe. The equalizer pad extends from the tip of the big toe to a point behind the metatarsal parabola. The equalizer pad is designed to support only the big toe. The support system is also...http://www.google.fr/patents/US6182380?utm_source=gb-gplus-shareBrevet US6182380 - Demi pointe equalizer, exerciser, and tensioning device
Demi pointe equalizer, exerciser, and tensioning device