I know everyone wanted to know how will this shoot. I put it Thera Tube (Blue).
The force on my fingers is supportable but my skin is pressed a bit so I will improve that by adding a layer of rubber some other time.
Nice shooter! I found Thera blue to be too much! I brought black and blue they just lie in my shed now way to mutch draw power. Try the smaller tubes I will think you will find they pull lighter but shoot quicker.