Don't Know What to Do With Left Wrist During Golf Swing

[Eagles88]

So I have been playing a few years. Love the game but swing is inconsistent but getting better. One thing I have trouble with is my left wrist during the backswing. I was losing control when just leaving it alone and it would flop everywhere at the top of backswing. My instructor told me to bow it kind of like Dustin Johnson but I find I turn it in  and close the club face and hook it. Any advice or videos please? 

[iacas]

Three things will help you.

1. Realize that feel ain't real, and the odds of you actually doing whatever it is you feel are pretty slim. Maybe you are, maybe it's not to the extent that you think, etc. Best to know. How?
2. Post a video in a member swing topic. This means record a video, too. That will show you what "real" is.
3. Don't post titles in all caps, please. That will help you by helping us.

[Eagles88]

Thanks for your response. Will do. Sorry about the caps. I was having trouble with posting something. 

[70sSanO]

I've used the Faldo (Leadbetter) Pre-Set drill in the past.  For me it seems to help to get everything where it should be at the top of the swing.

https://www.youtube.com/watch?v=kKHCGNT-hPw

John