check out this user's post; you and him have the same approach to fixing speech impediment. https://old.reddit.com/r/Stutter/comments/fbld9x/a_post_i_made_one_year_ago_an_unknownunderrated/ https://old.reddit.com/r/Stutter/comments/8hws6b/a_really_unknownunderrated_trick_to_improve/