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Clubs had become greater numerous and more finely graduated than the names that traditionally have been applied to them (brassie, spoon, niblick, mashie, etc.), and shafts can be manufactured to specifications for flexibility and factor of flex. Whereas formerly a golfer seeking new golf equipment went through a rack golf swing training aid of mashies until he discovered one that “felt proper” and then attempted to find other clubs of similar sense, he later sold an entire set manufactured to impart the same feel. The merchandising opportunities inherent within the numbered and matched sets have been carried to an intense, and in 1938 the USGA restrained the quantity of golf equipment a participant may use in a round to fourteen. The R&A concurred in a similar edict the following 12 months.

Experiments with metal shafts went thru several phases. In 1924 the Union Hardware Company of Torrington, Connecticut, U.S., drew a continuing shaft of high-carbon metal that would be heat-treated and tempered. It changed into approved by using the R&A in 1929 and drastically changed hickory within the early Nineteen Thirties. In the Nineteen Sixties aluminum shafts had a brief spurt of popularity; shafts of fibreglass, graphite, and titanium were brought into the sport within the many years thereafter. By the 1970s the approach of investment casting, a way of casting in preference to forging to beautify the fringe weighting of iron golf equipment, changed into commonplace, and a decade later “woods” made from metal had been in good sized use by using match experts. The chrome steel club heads of the Eighties gave way to titanium (a lightweight, extremely hard steel) heads in the 1990s. By the turn of the twenty first century, the conversion to metallic-head “woods” become close to-whole. Virtually all visiting specialists used them, and the term metals changed into progressively replacing woods in golf parlance.


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