[quote1329880587=BlueDoggen] I found my boy's collar at WM it was the only thing that didn't look like necklace on him, lol. ( he's a german mastiff) Plus its reflective. It was only $10 [/quote1329880587] i got the same http://www.walmart.com/ip/Pet-Champions-Large-Reflective-Collar-1-ct/10417756 yeah david i agree i think those large spikes will hinder movement and I could see the dog sticking themselves with them as well.