[BerntR]

I agree.

What I do may be similar to what others are doing, only we're not describing it the same way. I think some plyo-ish action is bound to happen with a "straight line" delivery path. I don't believe there is such a thing as a straight hand path anywhere in the golf stroke but there can nevertheless be a sharp corner to turn at the end of that "line". And this quick turn will produce slowdown of the grip end of the club, ref the endless belt effect. And resisting and overcoming that slowdown will have plyometric qualities..... I think