Refined Canin Company offers just such a little thing. This dog leash for Water WalkerTM All-in-One, which provides capacity for liquids, a portable bowl and of course, spout bags for solid excrement dog and roll-feed bags themselves.

This leash is very convenient for a walk and lets not forget the important things, leaving the pet at home. In this case it does not handle bulky, and the holder is made in a physiologically correct shape for your hand.