Insight from Zac Courtenay on Backswing.com:
The Flamingo (All time favorite drill...you're welcome!)
A very common fault for golfers is the thin shot, often mentally a result of trying to lift the ball into the air. Physically, the golfer usually has too much weight back or on the trail side through impact. This causes the club to bottom out before impact and strike the ball on the upswing. […]