A Tour Striker, a Taly and a Pure Ball Striker are important, but make sure you have the Alignment Golf videos first. That is the platform from which you spring.
I don't yet have on hand a Tour Striker, but it's only because I've been busy and inept and haven't ordered it. As I see it in the TGC commercials, it must work.
Martin Chuck is a cyber-friend of Lynn Blake Golf, and I'm sure we will benefit soon from his inventive mind.