ive moticed that shafts from different cue makers act , or warp. some are very stable,while others warp. some joint collars crack and others the ferrule expands.
btw,,,,,,,,,,,,,,,all shafts were kept in the same case, or a case stored right next to it
btw,,,,,,,,,,,,,,,all shafts were kept in the same case, or a case stored right next to it