Hmmm, it would be hard to describe. It is more something you need to see and since my last shar-pei recently passed away of old age, I don't have one I can take a close up of their feet for you. Rats! They have usually have tight little cat feet, with big nasty toenails. Another thing I remember, shar-pei often have, besides loose skin, they have thin skin, it rips easily, like in a fight, or if they squeeze through a tight spot and catch it on a nail or wire or something, some will split easily. Not sure if this would pass on, but I have seen it over the years with many of mine. Chow Chow could be another influence, similar muzzle but upright ears and the longer coat, some are quite long like the rough coat and than their is the smooth coat, which is still thick, but not near is heavy and long.