You can grind down the sides of 2 bicycle spokes on a bench grinder, making your own tool inexpensively. (Unless, of course, you have the spokes because your son rides freestyle BMX and you have to pay for the stitches, knees, teeth, CAT scans and doctor visits. I just considered the home made tools as a form of cost recovery.)

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Earl McLain
'02 C230 Kompressor
'89 560 SEL "Frau BlueCar" (retired April 2004)