a) The technique which includes how to grip the club, right posture, the take-away (how to begin the swing) and many other factors that are necessary in order to maintain a stable standard of proficiency according to a players personal goals.
b) The hidden principles that underlie a sound technique such as:
Rhythm, Timing, Power, Control, Touch etc, must be supported by a sound technique. Although, it is not the technique that makes golf so addictive, it is the 'feeling' that comes from the participation of the game of golf.
Rocgolf also designed three models of golf clubs along with other ancilary clubs and equipment. We no longer make golf clubs or other hardware products apart from the two DVD's and a book, 'The Rocsolid Technique' that are concerned with learning golf.