Step 3Step 2 OR removing the stopper
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Locate the end of the crutch. The end that would usually be touching the floor and will most likely (depending on the use and age) have a rubber "stopper" on the end. You need to measure one inch from the the last hole and mark the wood at this point. Next you will cut the end of the crutch at that mark. You can use a hand saw, Craftsman jig saw, Craftsman skill saw or any other tool you prefer. Always read and follow the safety instructions for tools, and always (even if they make you look goofy) wear eye protection. When finished you may discard the "stopper" unless you can think up a use for a dirty, stained, cut up and otherwise disgusting piece of rubber. Hey, it could happen.