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Get The Washer Off The Bolt
I made my own "get the washer off the bolt" puzzle that was shown on your Reader Letters page two issues ago (Vol. 15, No. 5). I had fun trying it out on friends and came up with a couple variations to really confound people. I made a second puzzle where I didn't cut the bolt in half and welded the nut in place. Guys who thought they knew how the puzzle worked - screwing out the top half of the bolt - would really get frustrated. Another idea is to use a bolt with left-handed threads so that when they try to unscrew the top half of the bolt they just tighten it down more. (Alvin Reedy, Jesup, Iowa)

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1992 - Volume #16, Issue #1