Chapter 11  

Mechanical Clubs

     Chapter eleven presents adjustable loft irons, adjustable loft woods, interchangeable heads, adjustable spring-faces, adjustable weighting, swivel shafts, swivel shaft multiface clubs, rolling heads, roller soles, adjustable alignment aids, hinged blades, measuring mechanisms, revolving grips, telescoping grips, and more.

  • Covered under Andrew Olson's September 20, 1920 U.S. patent, the shaft of this putter adjusts by simply tilting the shaft to the new position desired. No loosening or tightening of anything is needed. For use left-handed, right-handed, and even shuffleboard style!