I am sold on my X-bull traction boards as they've held up great under normal usage for me. If anyone is on the fence here's a good video showing the comparison.
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Mounting is a big difference with these. Maxtrax sit on top of each other so much nicer. I think the $70-$80 option is fine, but I would suggest spending the $80 on a Hilift and strap and save your cash until you can buy something that will do its job without concern. I love cheap copies but there are times that a copy will not do what it is supposed to, it will only look like it.