Every build needs a big, red STOP switch that's easy to see and hit in an emergency. When you push it, it will latch in the down position. To release it, you have to rotate it. This helps prevent accidental re-activation.

Every build needs a big, red STOP switch that's easy to see and hit in an emergency. When you push it, it will latch in the down position and must be rotated to be released. This helps prevent accidental re-activation.