Golf balls contain the captured spirits of Scottish hill gnomes, devious creatures who reap mayhem if not regularly pummeled into submission and put down for dark, fleeting hole-naps. Subdue man's dimpled nemesis with today's Groupon to Gastrau's Golf Center in Oak Creek. Choose between two options:

• For $20, you get a 30-minute golf lesson (a $40 value).
• For $13, you get two large buckets at the heated outdoor practice facility (up to a $26 value).

Serving Milwaukee for more than 10 years, Gastrau's Golf Center provides peerless golf education and a year-round destination for those wishing to add distance to their drives or finesse their chip shots. Winter-bitten golfers can grab two large buckets and fling hapless dimpled spheres into the unknown from the covered and heated comfort of Gastrau's outdoor practice facility. The driving area's 16 bays shelter you from the elements so you can practice your swing amid the lull of winter or hide from the vengeful and blister-inducing sun god in the spring. PGA professional Dan Hoffman leads 30-minute lessons, bringing 13 years of experience to his instruction of budding birdie-catchers. The 30-minute lessons will cover topics such as weight transfer, torso rotation, swing plane, and cabinet refinishing. Every lesson is tailored to the individual needs and eye color of each student.