St Enodoc Member Bertie Cordle is the designer of the DST (Delayed Strike Technology) training club used by touring Pro's all over the world. Several years ago St Enodoc Members featured in a promotional video Bertie Cordle made on our driving range and all were mighty impressed.
More recently Bertie commissioned bio-mechanical research into the effectiveness of his training club. This research has now been covered in a Golf Monthly cover story and which you can read here -
Nick Williams has the clubs in stock - give it a try !