Use this lat stretch to eliminate the need to bend your arms in the backswing and try this over the head hip and torso stretch to increase the separation between your hips and torso to make a more powerful swing
Play more break than you think necessary, playing too little break makes for longer second putts because every rotation of the ball past the hole is moving away from the hole and makes your next putt longer
Hitting the ball with the bottom of the club face can result from several different swing faults