Teach your dog to wear to be comfortable wearing a muzzle using rewards and lots of patience. This will help your dog to relax while the muzzle and not try to get it off; Make sure that your dog's muzzle fits property and is secure. If your dog will be wearing the muzzle more than a few minutes make sure it allows for your dog to open his or er mouth to pant; Using the muzzle as a safety aid for your dog fear or aggression training program; Prevent your dog eating rubbish outdoor; Prevent it licking its wounds after applying medicinal lotion or ointment