You contact the ball with the neck of the club or shank the ball when using your irons.
You lose power when pitching due to excessive hinging of the wrists. This causes your swinging arc to become too narrow.
You are usually unsuccessful at chipping due to excessive wrist movements.
You are not comfortable pitching the ball onto a green with a low fringe from about 40 yards away.
The green is wet or it is windy and you are 80 yards or less from the pin.
You lose distance and control because your takeaway is too low to the ground or you are trying too hard to create power.
The ball landed against the fringe. Using a pitching wedge usually leaves you with an uncontrollable ball flight due to using too steep of a swing or you come up too short because of decelerating your swing at contact.
Your ball is lying against a branch, stick, twig or other obstruction in the fairway and you cannot afford an unplayable lie penalty.
You have a short distance to the green but ball is lying on a ridge of grass between the fairway and rough.
You have difficulty hitting full shots.