DST is Ahead of the Curve

Delayed Strike Technology (DST) clubs teach you to compress the ball like a pro.

Bertie Cordle wants to make you a better ball striker.

Cordle, from England, is a fine golfer whose professional career was cut short by Myalgic Encephalomyelitis (ME). But he remained so thoroughly absorbed by the game that in 2011 he began a three-year study of the golf swing and swing biomechanics, taking particular interest in the swings and impact positions of Lee Trevino, George Knudson, Ben Hogan and Moe Norman—players who had a knack for making perfect contact more consistently than the competition.

He also read Homer Kelley’s The Golfing Machine. “He wrote, ‘The secret of golf is sustaining the line of compression,’ so I worked backwards from there to understand the main levers and tension points in the swing.”

Cordle came up with “line of tension” to describe the line that joins one end of the main lever (the lead shoulder) to the other end of the main lever (the club face). “In order to 'sustain the line of compression' and to reach the optimal impact position, the main lever needs to be on the target side of the Line of Tension,” he says.

In simpler terms, only when your hands lead the clubface into the ball can you compress the ball correctly and create the sort of power and control top players can.

So Bertie Cordle developed the DST (Delayed Strike Technology) Compressor Wedge and 8-iron, both of which promote a hands-forward impact to make a better ball-striker of you.

The strike with the DST is delayed, or at least feels delayed, because the shaft is actually curved so the clubhead automatically comes into the ball behind the hands. “The DST shaft replicates the shape of a normal shaft under its maximum load during impact,” says Cordle who spent well over a year developing the machine to build his curved shaft.  

The DST was a massive hit at the recent PGA Merchandise Show where Cordle sold out of the Compressor Wedge (pictured above) and was delighted to see so many people walking the aisles with curved-shaft clubs sticking out of their backpacks. “The response we had in Orlando was amazing,” he says.

Bertie Cordle’s DST is one of the beautifully simple ideas (simple to understand the theory, if not to build) that prompts nearly everyone that sees it to wonder why they hadn’t thought of it themselves. It’s one of those rare training aids that ticks all your boxes – logical, easy to use, affordable and, best of all, effective.

The Compressor Wedge and 8-iron, and CR-10 Wedge and 8-iron (pictured below) which Cordle terms “transition clubs” (they have a straight shaft but feature the Hand Position Alignment Marker on the clubhead and amended sole angle), all retail for $100 and can be purchased at select green-grass pro shops or online at DSTGolf.com.


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