Patent ID: 8221259

Claim:
A kit comprising: a golf club head having an interior chamber configured to receive an insertable shaft adapter, the interior chamber comprising: a receiving mechanism proximate to an exterior portion of the golf club head configured to releasably receive and secure a shaft retainer; and a rotation inhibiting structure with an outer perimeter having a cross-sectional shape of a regular polygon; and instructions for instructing a person to perform a method of: inserting the shaft adapter into the interior chamber, wherein the shaft adapter comprises an axial direction change region, the shaft adapter further having an upper end and a lower end, wherein the lower end comprises a rotation inhibiting structure configured to engage at least a portion of the outer perimeter of the rotation inhibiting structure of the golf club head to prevent rotation of the shaft adapter in relation to the club head, wherein the shaft adapter fits within the interior chamber of the golf club head at a plurality of different configurations, wherein at least one configuration provides different club characteristics than another configuration; and releasably securing the shaft retainer to the receiving mechanism of the club head to releasably secure the shaft adapter to the club head and to permit an inner perimeter of the shaft retainer to be slidably engaged on the shaft adapter.