I have many times almost destroyed my camera when hitting the camera's USB cable in the dark. Something must be done. I 3D-printed a frame that hold the USB contact and protect the camera, maybe not perfect but much better compare to earlier.
Here it is:
http://www.astrofriend.eu/astronomy/...-brackets.html
This one only fit my camera and my cable combination. Otherwise I had put it up as a STL file to be downloaded.
Lars