The BarkingMat is the smart dog trainer that actually helps your dog train you

Ever stepped in dog shit and not smelled it? Ever stepped in cat shit and smelled it?

Yes (to both). But there are all sorts of efforts to mechanize and de-deodorize the cat-box situation. So whatever distinction there is between a (relatively smaller) dog’s crap and cat crap could be minimalized in that market-place. [shrug]