MyFishFinder.com Just like iceshanty but warmer
http://(Image removed from quote.)This was needed after a few trips out over the pack ice. All my sleds have runners and they really help.
Have you got a local indoor hockey or ice rink? Get some of the used protective lower edging called "puck board" same stuff they use for hut runners, also called UHMW plastic, cuts with a table saw.