The Pioneer of the intermediate sleeves. Ultra lightweight, used by schutzhund trainers for many years with great results. Cylinder is made from leather with just enough give to it that the helper can feel the bite pressure. Perfectly angled bite bar and very comfortable fit. A versatile arm, it can be used with both young and experienced dogs. Uses standard jute covers. Comes in left. The bottom half is one piece that can be replaced. This protection sleeve is a good sleeve to use for increasing bite strength and confidence with young dogs that are getting close to the schutzhund adult trial sleeve.