Gorilla Grip | Skinny Series Corduroy Grooves 3 Piece Traction / Tail PadGorilla Grip Skinny Series Traction. Ultra thin ultra light sanded EVA to reduce weight and provide a more connected feel to the board, the Skinny Series pads feature a micro corduroy groove offering the ultimate in sensitivity and resistance. Skinny Series: 3 piece tail pad Traction Pattern: Micro corduroy groove Arch: Copperhead arch Tail Kick: High wedge