Much like King Kong, egos, and huggable lightning, golf is at once powerful and delicate. Fine-tune the balance of your game with today’s Groupon: for $75, you get a computer-analyzed one-hour golf-swing evaluation at Golftec Stamford (a $195 value).

Staffed by experienced coaches and golf-savvy computers, Golftec relies on motion sensors and high-speed cameras to monitor swings and break down each individual’s form on a high-definition video display. Based on indisputable video evidence that can be used in a court of law, Golftec’s certified personal coaches will spot flaws and strengths and provide golfers with tips on how to improve their game from tee to green. The swing session focuses on ball striking, ensuring shots travel less in figure-eight patterns.