Tabi example to hold objects in place. Contemporary tabi socks—socks with a separation between the big toe and its neighbor to allow wear with thonged footwear—are also available. This reflects the number of people who still prefer to wear zori and geta, especially during Japan's hot, humid summers. A related item are toe socks, which have five separate compartments; these are called Tabi In contrast to socks that, when pulled on, fit the foot snugly because of their elastic weave, tabi are sewn from cloth cut to form. They are open at the back so they can be slipped on and
Supernumerary body part considered to have lost much or all of their original function through evolution. These body parts can be classed as additional to the required functioning of the body. In human anatomy the vermiform appendix is sometimes classed as a vestigial remnant. Prosthesis is an artificial extension that replaces a body part, and cybernetics is the study of computer technology in relation to organisms which can include replacement or additional body parts. Body integrity identity disorder (BIID) is a psychiatric disorder in which a person thinks that they have one or more additional limbs than they should, despite having two arms