Well, I just finished putting together my first menace arm. I joined two 8 foot pieces of speedrail with fixtures from Barn Door Lighting. Here's a shot:
https://static1.squarespace.com/static/59f8be3032601e5caccf02ac/59f8be85c830252d97f3a9c4/5a8b4c5271c10b58453f10ef/1519078488478/menace+arm+1.jpg?format=1500w[/img]
It seemed to go well except for one thing. I had a hard time balancing the rig because no matter how hard I cranked down on the lollipop in the middle, the boom would move slowly up or down on it's own. I even followed the right-hand rule. Here's a picture of the ear inserted into the lollipop:
https://static1.squarespace.com/static/59f8be3032601e5caccf02ac/59f8be85c830252d97f3a9c4/5a8b4c3d08522933c2550d2f/1519078467119/menace+arm+2.jpg?format=2500w[/img]
Am I doing this right?