I found my Walker pouch in the gift store at the Whitney Museum, of all places. They were offering what turn out to be the larger “arm gussets” (3″ x 4″) rather than the 2″ x 4″ “wrist pouches.” Both are rectangular nylon mesh pockets attached to a wide elastic, but the arm gusset is large enough to hold a roll of poop bags, a key and a goodly supply of dog treats.… Read the rest