Red Horse Products Hoof-StuffHoof Stuff plugs deep holes and cracks that leave hooves susceptible to microbial invasion. Active ingredients eliminate bacteria and fungi, and natural fibres create pressure to support and promote healthy, natural tissue growth. The fibrous, sticky consistency helps Hoof Stuff stay in place so the active agents can provide lasting support to healthy tissues. Hoof Stuff is useful for white line cracks, central sulcus separation, cavities and grass