Either hoof or hooves is acceptable, but hooves is seen more commonly.
The plural form of hoof, is hooves.
The plural is hooves.
The plural of hoof is hooves.
A hoof is a tip of a toe of an unqulate mammal, strengthened by a thick horny (keratin) covering. The hoof consists of a hard or rubbery sole, and a hard wall formed by a thick nail rolled around the...