Can't add anything except you may want to consider footed shafts as a preventive measure. They are pricey to buy, but are not difficult to make. There are a couple of ways per Vern Butlers video that make it doable with just a few basic tools and a little effort. I can't remember the name of the video as it was not returned by the last fellow that I lent it to, but priceless for the do it yourselfer for building, footing, cresting, fletching, making strings (endless and flemish), making adapters, etc...