A few years ago I bought a used bow off of the big yard sale and one of the tips was messed up - someone had tried to shoot fast flight but the tips were not reinforced. I bought some phenolic pieces from 3 Rivers and epoxied them into place. I shaped them to fit the tips and that bow is good to go. I have been using fast flight on it since and I have not had a problem. The pieces I used were only about 1/8" thick. I think wood will work if it is built up enough but I am not sure about it, I could be wrong.