Yes I think I am going to try this, also thought about turning down one end and reversing the tube before turning down the other. Funny thing was it was fine on the Zeta and the Pheonix, both one tube but not on the Omega or a couple of slimlines both two tubes. MMM!!
I'm not sure I can do a light touch, not with hands like shovels. 
I can see its going to be about experimentation till I find my ideal.:pray: