The Burnsed Socket is a standalone part that turns a Vickers Combat Applications Sling into a 2 to 1 Point convertible sling when used in conjunction with a Push Button Sling Swivel or RED Swivel.  The Burnsed Socket was designed in 2005 as a key piece of hardware for the patented SOC-C Sling, which allows for 1 to 2 to 3 point convertible sling. 

Simply slide the Burnsed Socket onto the rear of the sling toward the rear receiver or typical single point sling location then detach the forward push button swivel from the front of the weapon and attach to the Burnsed Socket.