Hey Eddy, thanks for your quick reply I have actually thought of that but bamboo does not have a uniform diameter and the reamer will simply split the poll once it hits a slightly tapered part. What I am trying to achieve is a much wider and longer version of these http://file.maxtie.com/images/produc...5346989781.jpg. This will allow me to wiggle the poll side to side so that I can shave the inside of the poll nicely without cause the split. Thanks