New Single Rod Clamp for 15mm rod on DSLR Rig, the rod clamp comes with Double 1/4" thread.
New Design Wingnut as follows:

You can install an Articulating Arm on the female 1/4" thread, and install a monitor or a LED on the articulating arm.
Includes:
1x 15mm-Single-RodClamp-2
Material: Aluminum Alloy
Net Weight: 40g
Notes: the rod rig, arm and monitor in the above images not included.
Please click here or visit following link to watch a video introduction. http://www.youtube.com/user/TheCOOLLCD#p/u/9/IeN-wJY-hU8