The hipster is a lanyard rope grab, or bridge adjuster.
It allows the easy adjustment of the length of the lanyard.
It accepts ropes 7/16- 1/2 diamiter
To shorten your lanyard length, pull the tail of the lanyard back toward the working side of the line, the hipster acts as a fair lead, and allows the line through, but locks again when weight is applied.
To lengthen the lanyard, simply pull the top handle to release the hipsters grip on the line, the more you pull the more it releases.
As a bridge adjuster The hipster can be used to adjust the length of the bridge, much the same as you would with a lanyard.