Step 10Elbows
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The arm joints were old hockey elbow pads I pick up at garage sales all summer whether I need them or not, they come in handy for robots and aliens too. The rear arms are all fake so they add a nice structure under the sleeves and make the joints easy to do. The front one you put your arm through and with the extension above so the arms look a couple feet longer than your own. I bolted them right to the hockey stick handles at points 1,2,3, and then wrapped the velcro straps around the stick and bolted that too. The front arms should give you lots of movement when you wear it. Try different lengths with tape before bolting them to the sticks.