Sadly, many SLPs have extremely limited training in treating dysfluency disorders. They unintentionally treat stutterers as if they have articulation disorders. There’s a ton of clinical and anecdotal evidence that these techniques (for articulation) can make things *harder* for a PWS. If this is the case, “working harder”will backfire for OP. One example is “take a deep breath” https://stutteringtherapyresources.com/blogs/blog/its-almost-never-breathing