Cluffy wedge
The Cluffy Wedge is an elevation to hold the hallux in a slightly dorsiflexed position as a standalone pad or as an orthotic extension. It is used to treat functional hallux limitus and delayed onset to the windlass mechanism.
More:
http://www.podiatry-arena.com/podiatry-forum/showthread.php?t=3651
http://www.clinicalbootcamp.net/cluffy-wedge.htm