just finished installing my "invention", the Club Caddy. was pretty easy being the CNC programmer/operator that i am...cough. anyways, works great. made out out 3/4" nylon, and screwed into place on top of my bag. bought 14 tubes from Canadian Tire for a buck each and that's it. 14 bucks for materials.
here's a mock up i made first,out of mdf,bottom view.
