CORTINA D’AMPEZZO, Italy — Stewart Pimblett, who throws third for Great Britain in their mixed wheelchair curling team, has strong thoughts on the difference between Paralympic and Olympic events.

"We've done a lot of training with eye tracking," says Jason Kean (throwing the stone) of Team GB. Players can use visual cues, like a logo on a wall, in the arena to line up their shots. Mattia Ozbot ...