[Phyrxes]

Depending on your design and use of "appendages" you could also use a "passive" latch using that is manually released after the match. But that would mean you are driving around with it permanently deployed if you have to manipulate a bridge early in a match.

At Chesapeake I noticed a good number of teams redesigning their bridge manipulators to either generate more force to be able to push the competition bridge down or to prevent the reaction force from damaging the deployment method.