FORK SNOW?

Indeed, and pitchforks to clear the snow from the tracks, inserting between the spokes a metal sheet or plywood. Its even secure don’t have: during operation, the sheet itself will be even stronger sit down on the spokes. Such an improvised shovel is good for the fact that, if necessary, can instantly return to the original view — that is, to go back to forks, since they did not undergo any changes.