What is this red, 3.5 inch by 4 inch cylindrical object I found in the cabinets of a rental property? Life Hacks Smart Gadgets — 2025-03-11 What is this red, 3.5 inch by 4 inch cylindrical object I found in the cabinets of a rental property? Answer: this is likely a paw brush for dogs who walk outside and get dirty paws.