So, what I use to trim the cow's hoof is actually a 4½-inch angle grinder, and it's got a specifically designed cutting head on it that shaves away the hoof as I trim. So what I'm doing here is ...

Idaho owns a hoof health company called Professional Hoof Trimming. His goal is to help dairy farms maximize herd hoof health by providing on-site maintenance hoof trimming and lameness treatment.