Dispensed directly onto the sole & frog, Equi-Pak is a liquid urethane that sets in 25 seconds. It can be used with or without a pad, and provides support & protection for thin soled and flat footed horses. It also absorbs shock & pounding. It can be filled to ground level for added support in less than one minute. Requires no hand mixing, and creates no waste. It will not break-down and is impervious to debris & moisture. The sole and frog are left in great condition.