I reinvented the hockey puck. In the middle of the puck there was ice instead of the hard rubber. I did some stress testing. All the ice fell out of them. After they broke. I was just trying different stuff. I found that when the is the hole in the middle of the puck it made it easy to stick hand. Then alot of people said that well it is lighter. Ya, but on side of my puck was open and the other side had the origal puck rubber. Then I packed snow into the hole and then froze it and it did the same thing. If I find a better way that works better ill post it.
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Neat idea. The lighter puck would be easier for little guys when learning to skate and stick handle around pylons. I’m curious – what type of stress test did you do on the puck?