The test: Rather than simply grabbing numbers with a launch monitor and calling it a day, I have been using these XXIO 13 clubs since they arrived in March and have played a lot of golf with them.

XXIO vice president Chuck Thiry tells Golf Today's Matt Adams how the company helps "moderate swing-speed players," before showing on a driver, fairway wood and two irons how that design works.

Srixon, which is under the Dunlop Sports umbrella along with Cleveland Golf and Xxio, did not release any official details about the clubs or indicate a date when they will be made available to ...