The moon comes flying down and squishes some one.
The moon flies up and smashes a hole in the grid.
The arbor comes crashing down spilling counter weights on your foot; thank goodness you are wearing the proper foot wear or you would be bleeding all over the stage.
Nothing, but you get chastised for leaving the rail with the brake down.
The arbor bounces to the grid.
3 pin connector
Clove and Square
1/2 wrap and Sage
Clove Hitch and Bowline
Moving the barrel across the stage
Focusing the light
Moving the barrel to sharpen or soften the light field
Here's an interesting quiz for you.