T5 SSD Mount Clamp : It's fixed on the cage via cold shoe to fix the T5 SSD and protect the USB-C cable. Built-in NATO Rail & Cold Shoe. Besides, The cage features 1/4" & 3/8" threaded holes, Arri locating holes, allow to installed more accessories, such as NATO handles, Arri top handles, Magic Arms，microphones，T5 / T7 SSD mount,etc.
eBay