If you mean having surgery to clip the frenulum, there is no evidence to support that it does anything to help any sort of speech disorder. Don’t let that therapist talk you into that. It’s hokum and unethical for them to even suggest it. Links: http://leader.pubs.asha.org/article.aspx?articleid=2278327 https://www.smartspeechtherapy.com/the-end-of-see-it-zap-it-ankyloglossia-tongue-tie-controversies-in-research-and-clinical-practice/