I am thinking about getting a nail grinder to use on Sassy's nails. When we start the Pet Therapy I need for her nails to be nice and smooth so she will not accidentially scratch any of the patients. Does anyone know of a good one? I found these PetEdge I don't know whether to go with the corded or cordless. Has anyone seen them elsewhere or maybe even the same with a better price. Truthfully I would like to find free shipping and a company that gives good service and shipping. I could even add the pet travel bed, and or the pet blow dryer that I posted to the order. Any suggestions?