Accu-Tac Spike Claws, Black Color, Accessory for Spiked Feet, Will fit any Accu-Tac Spike with outer threads LRSC-0001 The Claw was designed as an optional accessory for the Spiked feet. Simply screw the claw on the outer thread of the spike. It will convert the spike to a clawed foot which is perfect for sand" mud" or any soft surface that your bipod can sink into. Will fit any Accu-Tac Spike with the outer thread.