I started adding the VT to my regiment of warm-ups and exercises, not replacing them totally, but supplementing the routines my voice is already used to.
I have also started using it to target challenging areas in songs that are on the regular set list, this seems to be whittling away the the problem spots.
I believe this is a great tool for reducing tension and training your voice to relax, specifically to relax right about the time your instincts are to tense up.
So far this is looking like perfect device to un-program bad habits and re-program proper muscle memory, motor skills, and good habits.
The manufacturer could go one step further and shape the mouth piece end in an oval, so the end-user has a more ergonomic embouchure to contend with.
