Basques have been smacking balls off walls since before most countries even existed, so fair play to them.
Fun fact: In the bare-hand variant, players strike a ball harder than a baseball with no glove or padding.
Proof you can be a world-class athlete and still hold a pint between throws.
Fun fact: The treble 20 on a dartboard is only eight millimeters wide, roughly the width of a pencil.