Generic Footstops be gone. Grip is the single most impactful attribute you can improve on your downhill skateboard, longboard, surfskate or e-skate, regardless of discipline. Having the right footstop shape is critical and the patent pending WAVEformd Barnacle has the patent pending solution; adjustable grip studs that grip your shoe better, while putting the final adjusted contact shape of the footstop in the hands of each rider.