That’s right, I exactly mean it. You should divert strength to another channel when speaking. Spasm on vocal cords and tongue when a person stutters may be improved via three fields. ① Slow language rhythm (such as slow speed method prevailing at present), ② Divert strength of language (such as sing, ventriloquism and language rhythm controller), ③ Relieve strength when a person use language (such as listening and repeat and expiratory method).