A pivotal back for a sandal style shoe with a sole is adapted to be pivotally attached to the sole (41). The pivotal back is composed of a back (10), a pivot device attached to the back (10) and a hinge (30) attached to the sole (41) to support the pivot device. The back (10) can be pivoted out from...http://www.google.fr/patents/US6684533?utm_source=gb-gplus-shareBrevet US6684533 - Pivotal back for a sandal style shoe
