It is a common drill, one often used by Vijay Singh, who places the ends of a towel in his armpits to "stay connected," to help the arms and upper body work in concert. Rick Gonzales, a mortgage broker in Stockton, Calif., saw an amateur golfer using the drill on the range one day.
"That's what spurred the idea," Gonzales said. The idea became the Core Swing, a polo shirt designed to do what the towel does. It features elastic that tightens around the bicep of each arm, securing the arms in the proper position.
"I'm just a 15-handicapper," Gonzales said. "I thought, 'there's got to be a better way.' My wife always teases me. I'm the guy who always buys the newest and best training aid, looking for a shortcup to a better golf game. I figured there's got to be a way to design a polo shirt that does what the towel does, but you won't be embarrassed [tucking a towel in the armpits] on the range.
"The main purpose is keeping the core, your chest, and rotating that and letting the arms come along for the ride. It allows you to make the proper turn."
The Core Swing is available in white or navy blue and sells for $89.99.
-- John Strege