Not really a big issue with normal day and routine walks, but every so often Rocky will go on a 2 mile walk (practically all concrete) and at the end of the walk his front paws would bleed. You can hear his nails scraping when he walks and his front 2 nails on each of his front paws are very short because of this. I think the main cause is that he tends to sniff the ground when he walks and I havent found a way to get rid of that habit. I was hoping that this would have gone away when he grew up and I guess that could still happen (he is almost 1 years old now). Anyone else with similar experiences?