It doesn’t exist and is like using a bulldozer to dig a hole for a single plant. You can actually start to address your dysfluency right this moment. I was on the verge of resigning from a second job because my stutter made effective, normal and accurate communication nearly impossible. After learning why I had such terrible blocks, I learned new habits that reduced my blocks by 90% within a few months, and the results only imprinted over time. It’s up to you!