If you're pushing, you are probably under the plane, which makes you swing inside out.
A few questions to be sure:
What are your divots like: deep, shallow, often no divot (choose one)
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I personally dont take divots too often. I sweep the ball but if i do decide to take one or hit it fat, they're usually straight where I think I'm aimed.
Are you stronger with the longer clubs, especially the driver?
Driver and 3 wood are my second strongest clubs next to my wedges but irons are the worst the longer they get though they aren't really that bad.
Are your misses either hooks or pushes?
Mostly pushes as of right now but I have been know to hook shots from time to time.
How well do you play 150 yard fairway bunker shots?
Considering the main course I play at has only 4 bunkers (all greenside) I don't play too many of them, but when I do I never seem to have too big a problem with them. Not much different than playing off pine straw in my opinion. (which is one thing my main course actually does have a lot of)