Finish Line Kool Out Clay is a topical cream poultice for horses that promotes healthy muscle function in the legs. This equine poultice also serves as a hoof packing, making it a versatile addition to hoof care and horse leg care routines. Classified as a counterirritant, it fits naturally into livestock health products for equine use. Supplied in a 13 lb (5.9 kg) pail and applied topically, it requires no prescription in Canada.