Originally Posted by
sloguy
ive made the homemade crushers that use two boards with two different sized holes in them. the trick is to get a size where its not too tight and not too loose. too tight and it cuts off blood flow in a bad way. too loose and the balls can slip out when you tighten it down hard. the commercial ones are made of plexiglass and are expensive. i use 1/2 inch finished wood use the 6 inch wide boards. leave the pieces long so you can put the hinge farther away from the balls so you get a more even crush. i use a single eye bolt with a nut put on all the way to act as a bushing and i use a fender washer to protect the wood and on the bottom side i use a nut that sticks prongs into the wood so it stays put. i use a heavy hinge because it allows less twisting of the surfaces. or just use two hinges. i use a single door hinge. not the gate or cabinet hinges cause those are sloppy and weak. like i said the hard part is to get the holes the perfect size. my latest one i built the rear hole is too small. if im not completely soft then i cant get it on. but, once im hard and stuck in it i can just barely get out of it. best way to fine tune the hos sizes is to wrap a dowel in sandpaper and use a sawing motion. twisting will wear out your wrist and doesnt keep it any more even.