A veterinary knife, with one spey blade and one long (2″ or so), thin tang that terminates in a short turned-down portion which is sharpened on the inside; used to convert roosters to capons. For sterilization purposes, the handles are usually made of metal. Small ones with upturned handles (as pictured) are commonly called “Rooster Nutters”.
Spey Knife (Speying Knife)
