I haven't posted much lately, crazy busy with work and preparation for my daughters wedding. I knew if I thought enough and developed the right techniques, I'd come up with the appliance. Unfortunately, the description will have to do for now. The computer is being stubborn and I can't upload pics from my phone. Start with a straight vinyl catheter. I use 16FR. You need a heat gun, steel ruler, razor knife, clamps, and a pair of pliers with a round notch approximately 14FR.