CAMVATE 15mm Single Rod Clamp Articulating Cold Shoe Adapter for DSLR Rig Monitor Video Light The Cold Shoe Rod Clamp Adapter provides a cold hot shoe slot, allow you connect the device with hot shoe base, such as video light. Standard 15mm rod hole is compatible with 15mm rod and lever. The Cold Shoe Rod Clamp Adapter comes with extra four 1/4" thread holes which is respectively at the bottom, the front, left and right, you can use them according to your need.