Gorilla Skinny Fish Black Three Piece Tailpad The Skinny series is made flat and skinny for extra sensitivity. Extra Wide Fish Template Three Piece 2MM Low Profile Ultra Light Tech information Gorilla tailpads use lightweight EVA foam with ultra-strength glue, keeping their tailpads grip firmly stuck to your surfboard. Gorilla grooves and sanded surfaces hold your feet in a vice like grip, with each groove and arch tailoring that gripping feel.