This Top Quality Bite Developer Is Made Of Only Dog Friendly Selected Materials By Hand Craft Experts! Made by Professionals For Professionals! Now You Can Have It Too! Tested Design, Helpers Ultimate Comfort and Tri Level Bite Bar to Get You 3 Steps Ahead Of Other Trainers! 6 Amazing Special Things About This Tool YOU Must Know No Metal or Outside Plastic Parts Equals Safety For Your Dog Tri Level Bite Bar Regulation To Adjust Proper Training Stage - Means This One Professional Sleeve Will Do 3 Others Developers Job Hand Stitching For Outstanding Durability Superior design for Police, Schutzhund and Military training Already Tested and Approved by professional Trainers Worldwide