Make it your 24/7 project for some months to stop stuttering. There is a guy called Lee Lovett which did stutter for a lot of years and he found a way to beat it. A long story short, he wrote a book about it which he expanded 4 times. He have helped stutterers for some years now and he do it for free. A lot of people is having success with this and that includes me. The book costed me 10 bucks on kindle. Maybe you only need the book and maybe you can read it for free. Just ask if you have questions.