Mizuno golf clubs on istockgolf.com. Mizuno is a leading manufacturer of discount golf clubs and accessories, being particularly noted for their forged irons which have been, and continue to be, used by many of the world top professional golfers. For example, Tiger Woods used Mizuno golf clubs while he was in college and continued to use them after he turned professional in 1996, including for his first US Masters victory in 1997, despite being contracted to Titleist at the time.