Do a search in this forum (try "skid shoes") and you'll come up with some hits on this topic. I have a Land Pride rear blade that I got the optional skid shoes for. They are mushroom shaped and I haven't found them to work very well. They have some ability for setting the relative depth, but that mechanism - a set screw into a shallow depression - isn't all that secure. A pin that went all the way through would've been better I think. They end up falling through, getting bound up keeping the blade way up in the air, etc. I tossed them aside a winter ago, but I'm going to take another look at them soon to see if I screwed up or if I can modify them to be more reliable. If you have a brand-name rear blade you might want to call the manufacturer and see if they've got something for it. Or if you've got the materials and equipment, maybe poke around on the web and see if you can buy pre-made skid shoes and adapt them to your blade. Different brand, but mine are like this: Link I think others have had better luck with: Link Jerry
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