Replying to NS Mechanics , Brainstorm sesh

My new Toyota is rad, but it doesnt weight anything and i'm having an issue. I have been driving around like the world is an icerink when wet , the truck drifts around most 90* turns and yeah its fun as hell, but once i actually get on ice its gonna be a bitch. I was thinking of filling the spare tire that sits under the bed with water , has anyone ever heard of this? I'm not concerned with rusting out that rim , its not nice the like the rest of em. Any other ideas? I dont want sand bags in the bed all winter. . .