Mizuno challenges 6 golfers to the Swing DNA iron test

Mizuno invited 6 slightly cynical regular golfers (all playing ‘off the rack’ irons) for a 15 minute iron custom fitting session at Bearwood Lakes GC. With just three swings Mizuno’s Shaft optimizer threw up a theoretically ideal shaft match. Check out what our testers thought. More information on Mizuno Swing DNA at