I had a Bang 3 wood made using this same shaft in the LL flex for my wife. Although she could hit it well she was still inconsistent with it. The shaft seemed somewhat whippy to me but I play stiff flex in all my clubs. My wife is now playing with an old Taylormade 3 wood of mine from the garage. It has a stiff flex shaft and is probably as long as her driver. She is absolutely pounding it, almost as far as her driver when teeing off with it and gets about 160+ from the fairway. Now she is eyeing my driver collection. I would suggest taking her to a golf store or range where she can try a few different flexes and see what works best for her.