Vex High Stakes Hood and Locking MoGo Mech | 7686A | 

it needs to be able to withstand being dropped off the KBHCC

It is passive but the piston only goes up to clamp the mogo

I see real potential to keep it with the piston as a toggle if you want to put a ring on or not. That way you could pick up blue or red rings and only put on the color you wanted. def a better way to do it than what they did but just and idea