Click image for larger view
MPA Tripod Lock
3 in stock (can be backordered)
For those who use Tripods for rear support, and have issues with the legs collapsing inward when running a stage, check this out.
Locks the legs in place for a strong, consistent and even 3 legged rear support.
These are made from Aluminum, with Neoprene grippers and bungee straps.