That's the one I was thinking of Keith, but couldn't remember who did it.
Nik, FWIW, Aaron at extrmemotorworks makes reproduction ones for $34. They are heavier than original. I need to get a couple sets myself. I now clear enough parking lots that I wore out all of mine this winter. The winter of 2013/14 will be known in my book as the "winter from frozen hell". (At least until the next bad winter we have.
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