Golf coaches have come to appreciate impact as golf's true first fundamental. The stuff that happens before is merely a means to an end. There's no point chasing a cookie-cutter swing: If your impact position is good, that's really all that matters, no matter how you get there.

It's a pretty common point of view nowadays, but one Bobby Jones figured out himself nearly 100 years ago. We looked back at Jones' iconic 1931 Warner Brothers golf instruction video series to uncover his keys to good impact, and the bad mistake 90s shooters make.