Hi!
Sweetie always matts up, especially on her legs, from her harness. I just ordered a harness vest that attaches on with strong velcro (easier to get off & on than her regular harness). I'll let you know how it works.... harnesses are definatly the way to go with yorkies as their little throats just will not handle the stress of a collar
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Good luck with your babie!
Cyndi