Honestly that wide berth worked just fine for Iggy, made him even easier to follow.

When they arrived he smiled, knuckling gently at the dog's snout, "Thanks, buddy. I'll be right back, short trip." Most of the time overhead aisle signs were high contrast enough that he could read them, and if they weren't, it was usually simple enough to run his fingers along shelf tags to feel the difference in colors and work out what was on them that way, without having to handle everything on the shelf.

True to his word, he emerged again within ten minutes, along with his bag of groceries, snacks, mostly, as that was what he needed the most of, "One down, two to go."