Golf can be a relaxing way to spend several hours outdoors. Many golfers will tell you it’s one of the best things about the sport aside from the friendly competition. But ask a person who doesn’t play golf why they don’t pick up the sport and they’ll tell you it takes too long to play, is frustrating or costs too much money.

Roy Johnson straps on his helmet, slips on a knee brace, grabs his broom and heads out onto the sheet. At 82, he doesn't plan on quitting curling any time soon, thanks, he says, to a key invention.