Listen to Feet, Gravel, Hard, Thin, Walk Med Sound Effect online. Feet, Gravel, Hard, Thin, Walk Med Sound Effect is an English language song and is sung by Pro Sound Effects Suite. Feet, Gravel, Hard, Thin, Walk Med Sound Effect, from the album Pro Sound Effects Suite 40 - Feet and Footsteps, was released in the year 2007. The duration of the song is 0:13. Download English songs online from JioSaavn.