Dog Spike Collar Leather-based spiked canine collars are supposed to protect the dog, so canine and other animals shall be unable to successfully bite the neck of the animal in the case that they are involved in a fight. Material leather material makes the collar can be strong enough to hold medium large macho, giant dogs Spike Studded Spiked Dog Collar:Sharp spikes will work when dogs bitten by others. Cool designed, looks like a warrior while wearing it.Powerful and Strong Adjustable Premium Leather Adjustable Collar for Any Breed Dog, Choose Collar According to your Dog Size D-Ring Pull On Metal D-Ring Buckle Collar, With Spike Hardware Design Cool designed, looks like a warrior while wearing it. Powerful and Strong.