The 20 is the highest individual number on the board - meaning its treble, worth 60, is the biggest score a player can achieve from a single dart. Players throw three darts on each turn ...

But earlier this year, he went to throw a dart and it physically would not leave his hand. "You're in shock, I stood there for ages. I just couldn't get my arm up to let go of the dart," he said.

It's comfortable like this and that's the most important part," Lewis continues, showcasing exactly how he positions the dart in his hand as he gets ready to throw. In the modern game, there is ...