I posted above about my experiences with "Fletch Tape" by Bohning.
I have been brought to understand that there may be a shelf life on this product. It seems there were some folks who did not have very good results using tape and this may have been caused by some older, poorly stored tape. When I am not building arrows I store mine in the fridge. Always seems to work OK.
I also had some folks ask me what I did to get such good results. My personal opinion is that I really cleaned the shafts (crested or not) prior to installing the fletching. Several of the folks I spoke with about this admitted to just a quick wipe and not being sure to make good contact with the clamp to the arrow surface. Once they did that the problems seemed to disappear.
I really think (just my opinion and not to disparage anyone) most of the problems have come from not making clean positive contact with the the tape, the fletch and the shaft. I do press down rather hard on the clamp when seating the fletch and then run my thumb nail down the thick side of the fletch.
I am using it and will continue to use it until something even better comes out. Right now the next closest thing which is not really designed for archery is "Flex Tape" but it is thicker, not narrow enough, but very sticky. If they made this stuff in a thinner and narrower size there would be no way for a fletch to come loose and I would be using it.
JMHO