Our snowmobile club uses a Swisher roughcut mower from Peavy Mart. We removed the wheels and put on some used skis from a snowmobile to make it skid across the snow. As long as the willows are not to large it works good to clear up the little trees growing in along the trail. It can tow behind you or off to one side.
Don't want to hijack the thread just adding some info
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