http://www.4golfonline.com Mizuno JPX Wedge review by Mark Crossfield. The Mizuno JPX wedge is a great golf club for golfers looking to improve their approach play and around the green short game. Mark talks about who could use this wedge and what set of irons it might fit into. Mizuno wedges with quad cut grooves for control and feel as well as spin. Start playing some better golf with a good set of wedges.