Fish pedicure
A fish pedicure is being offered by a number of different spas. It uses a small fish to eat the callused and dry skin. There are concerns about the infection risk from the water and some regulatory authorities have banned them.
Resources:
http://www.podiatry-arena.com/podiatry-forum/tags/index.php?tag=/fish-pedicure/
http://www.podiatry-arena.com/podiatry-forum/showthread.php?t=14339
http://www.podiatry-arena.com/podiatry-forum/showthread.php?t=61878