Genuine sewn premium leather for those discerning players !
Kotahi Grips from BJM Putting Science are designed for use with a "Runyan Style" hand position, with the arms rotated so the palms face the sky and the thumbs are on the sides of the grip instead of on top.  This (standard) position "locks" your arms to your shoulders, resulting in great stroke stability and accuracy.  
Available in standard size 14" in length, 1.25" width, 1.75" height., Red color only.
Installation position includes standard, claw, and anatomical.