Let it Freeze, you have to have it on your shanty no matter where you are fishing. this is from the ODNR website.
ICE ANGLERS may use holes no larger than 12 inches in diameter. In Lake Erie ice anglers may use holes no larger than 12 inches in width. Ice anglers may not use more than 6 tip-ups and 2 rods per person. All shelters and tip-ups must display the name and address of the owner or user in English lettering.