After my ex-friends Rotti (Rocky) was attacked by a loose mastiff, on her own yard, they bought Rocky a doubled spiked collar cause the Mastiff only bit his neck (lots of holes on the poor guy). Rocky was only defending himself, Rocky even tried to get away & thats when the Mastiff got him good, then the Mastiff got his butt kicked cause Rockies owner started screaming in fear of her dog, & rocky went into defending her mode & tore the mastiff to shreads. His collar saved his butt another loose dog, this tome Rocky didn't have bite marks & the other dog ran off ok.

I got max a studded collar (cause dad wouldn't let me get the spiked one). It looked really good on him.