when the back of the left hand, wrist and forearm (right-handed player) do not approximate flat at the top of the back swing - wrist joint is extended (back of hand is bent up toward back of forearm) to some degree. Example: Most of the time if your left hand is overly cupped at the top, the clubface will be open at impact.

leaf blade having the center of the leaf lower than the margins; concave.

Leaf type. See Spooned.

A deep ear.