Display viewfinder adapter for Shoulder Rig

I am using a 3" 4:3 "Digifinder" display-viewfinder on my Panasonic GH-1 but found that:
a) The way to mount it with a rubber band is ****
and
b) I can't see the edges of the screen where battery-level and other important information is shown

This adapter fits perfectly onto the screen of a GH-1, GH-2, FZ100, ... camera and can be attached and detached without any rubber band chaos.
It allows to mount the digifinder at a longer distance and thus see more of the display.
There is even eno