Viper Jute or Synthetic Linen Puppy Bite Sleeve for Training Schutzhund Police K9 Tracking Level 1 Level 1 bite sleeve perfect for entry level dog training. Sleeve covers trainer's entire forearm. Includes an internal soft-grip handle and an external handle. Can be used on either left or right arm. Made of high quality and top grade jute or synthetic linen that are both tear-resistant and durable. Great for dog training involving Schutzhund, Police K9, and personal protection work.