I think folks will find the Queen to be an excellent teaching tool for beginners and into intermediate pitchers. I can see PIs using this successfully.
While your opinion is valid, your only 1/2 right here. This tool is getting the student to feel the correct sequence. It is not supposed to replace a PC or lessons. It does however get the kid to understand what "proper mechanics" is supposed to feel like a whole lot quicker! Its not unlike a rev-fire showing your spin rates based off of different grips and adjustments... Its not a gimmick, it just shortened the learning curve by an ton of time. That what this tool does for drive mechanics.Save your money and buy a good o'l fashioned pitching plate for $20-30 and work on overlap and leg drive mechanics. In general, you don't need any "gimmicks" or tools to pitch well. It takes proper mechanics and lots and lots of practice.
Dittoing riseball's input. Most folks can throw 95% speed-wise by just walking into the pitch. A good drive adds that extra 5% AND puts the pitcher 2-3 feet closer which adds 3-4.5 MPH in perceived reaction time. The keys are the posture, FSR and arm mechanics at release. This gadget does little to promote good whip, FSR or posture.
From what I can tell, the beauty of this gadget is that is provides immediate feedback on the power of the drive foot strike, which can add to the efficiency of a pitcher with good FSR, whip and posture at release. Slow motion video and a speed gun can do the same, but I really think this gadget has some potential to help a PC and pitcher squeeze out that extra umph that the Power Drive fails at. With the right instruction and the cash to spare, I'm thinking this gadget has some potential.
Hoping that QueenoftheHill is a student more than a sales person and is willing to take the above input and use it to refine the sales pitch to improve the outcome of the consumers who buy this product. (And maybe someday I'll learn how to avoid run on sentences...)