[Bigwill]

Can anyone give me some ideas on how to increase my clubhead speed? I'm already long, but I'm fairly sure that's due mostly to muscling the ball. I'm currently working on my fitness, which I know will help. But I want to know what types of things create more speed with the swing itself. I know about trigger delay, swing radius, and accumulator overlap (I read the book a lot). But I sometimes go overboard in applying what I think the book is trying to tell me. Thanks.