 Over the two months he kept returning to the theme, writing down his recommendations on techniques including some advice which still remains relevant to modern golfers.He also set out his views on the ideal golf ball which "must be of thick and hard leather not with pores or grains or that will let a pin usually pass through it the specially at the soft end", and on an early handicap system.The Incorporation of Surgeons of Edinburgh (later renamed the Royal College of Surgeons of Edinburgh) did not record Kincaid as having passed its entrance examination, and he does not appear to have qualified as a surgeon.