Originally Posted by Ash_Smith
... It is most likely because the player is pre-setting wrist extension.
I would only "correct" it if it was effecting the contact in some way, for example they were open face at contact.
I wondered about this as well. Isn't the wrist going to be slightly bowed, ie flexed, at contact, not extended? And isn't it flexed at the bottom of the backswing loop?