Pittsburgh Curved Jaw Locking Pliers Mount for Wall Control. This was specifically designed for the Pittsburgh Curved Jaw Locking Pliers 3 piece set available at Harbor Freight (https://www.harborfreight.com/hand-tools/pliers/locking-pliers/jaw-locking/curved-jaw-locking-pliers-set-3-piece-64036.html)
This was designed around Luma's DDD Wall Control System. The included locking nut is capable of locking to the wall control.