The Mizuno MP-59 Iron features a lightweight Titanium insert forged directly into the back of the clubhead. The thicker Ti Muscle material behind impact ensures that the centre of gravity is located closer to the clubface, which allows better players the ability to work shots whilst still offering the forgiveness of the cavity-back design. The Mizuno MP-59 is an evolution of the succesful MP-58 model. With the Ti weight added to the MP-59, off-center strikes will benefit from even greater stability.

Mizuno announced its MP-69 irons as discount golf clubs for sale to their already iconic muscleback lineup. Blending the input of Mizuno's PGA Tour staff members with state of the art design and simulation tools, the MP-69 irons are the perfect balance of patented Grain Flow Forged feel, and unmatched workability. One other potential concern for golfers: traction, or the lack thereof. Some players insist that they're more likely to slip wearing minimalist shoes because their outsoles typically only have rubber nubs and no cleats. Minimalist-shoe manufacturers maintain that in most situations their shoes provide plenty of traction.

Though even some of True's competitors concede that zero drops may be best for golfers, they say switching to it suddenly can be an awkward, if not difficult, adjustment. That's because golf shoes typically drop 12 millimeters from heel to forefoot. Such a difference can affect the elongation of the Achilles tendon, which has prompted advice with discount Mizuno MP-69 Irons at least in the running community recommending a gradual transition to zero-drop shoes.