Solution I think. My ones work well in snow. Did not tested in sand and mud yet but it looks like it will work. Being owner of 90 I get used to fight for every inch of possible space.
Hello!
I'm living in St-Peterburg, Russia and quite expirienced in assfreezing conditions. Did travel to Murmansk a few times. Any question - wellcome.
Road sign at the first pix says : POLAR CIRCLE