One of the areas in which far too few golfers focus their attention is balance, one of Homer Kelley's essentials. At any course or driving range you can see golfer after golfer attempting to hit drives as hard, and as far as possible, but almost none of them realize the basic requirement of good balance in the swing.
Ask most golfers if they swing in balance and you'll generally find that people think they are 'mostly' balanced during their motion, and tend to dismiss the need to work in this area.
For the next month I would suggest practicing every day for 5 to 10 minutes swinging two clubs held together, or any one of the many 'heavy' clubs on the market, especially those that encourage rotation through the release.
Focus on these keys:
1) start and finish in complete balance - feel 'comfortable' and well 'set' at address. Not tense or rigid in any way.
2) close your eyes
3) swing back and through without stopping
4) swing slowly, as if in 'slow motion' letting the club and gravity show you the pace
Focus on the feels in your hands and feet - one of Toski's best keys IMO.
Find your balance and you will find your ball in the fairway much more often.
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"Support the On Plane Swinging Force in Balance"
"we have no friends, we have no enemies, we have only teachers"
Simplicity buffs, see 5-0, 1-L, 2-0 A and B 10-2-B, 4-D, 6B-1D, 6-B-3-0-1, 6-C-1, 6-E-2