Read the Lee Lovett book , stuttering anxiety and its cure, watch the videos of crutches on his website and join crutch practice sessions... If it works for you great stick, if it didn't then buy a understanding and curing stuttering by valsalva hypothesis (bill berry) this book will build your deep understanding of one of lee lovett method which is link-hum-stop and also provides exercises that you need to do for at least a month.. If you do them, you will dissolve your stuttering with in a year