9.Solutions 5/8 Inch Dual Knob Gag

With the 9.Solutions 5/8 you can attach two rods with a diameter of 16 millimeters together and rotate them 360 degrees relative to each other. It has two locking knobs so you can lock and adjust each bar separately. The 5/8"" Dual Knob Gag is a great accessory to add more strength to a setup. You can also use it as a standard grip head.

Price: 49.99 from Wex Photo Video