Thanks Greg. In addition to the unhinging of the wrist, there is also the release part which I have come to understand as rotating the forearms (pronate for right and supinate for left). I am not sure if this is correct, but I have recently realised that if I rotate normally I hit my usual straight shots, and if I rotate more aggressively just prior to impact, I can create draws at will. Even though I'm not at the stage of shaping my shots, I wonder if I am on the right track or am I totally missing out on the concepts here?

At impact now I am focusing on the simultaneous unhinging of the right wrist and rotating of the forearms. Hope that's the right way to go? Please also advise if there are difference with the irons and woods. I found your quite explain on being less aggressive in the unhinging with the woods very enlightening as I have been trying to do the same with my irons and maybe that's why my woods are always so high?