i dont like chains...that is my personal opinion but i don put my dogs on their but only in the summer time and only for a couple of hours (dogs get cabin fever too)....but i see that they get alot of love....o and ummm if i may ask were did u get those chains cuz i need to get some like that for my pits...my female she breaks chains like crazy.......and i think it would b cute to see a lil chihuahua on one...lol jk jk