Can you eat lambs hooves?
Hooves are generally not eaten directly but make great soup. If you Google 'trotter soup', you will find recipes from many different culinary traditions, most of them middle-eastern or from the Indian sub-continent.

This page has some typical recipes: http://www.khanapakana.com/recipe-search/s/trotter

Although trotter generally means pig's hooves in the west, it's used to mean any hooves in the east.