This allows the crab to insert a large toothlike appendage on its right-hand claw into the opening, thus cracking the snail's shell.

ECONOMIST: Why some snails are left-handed

Modern-day right-handed crabs orient their prey with the shell pointing away from their body and the opening on the right-hand side.

ECONOMIST: Why some snails are left-handed

But the visitors rarely looked like breaching the best defence in the League while the Bulls struck ominous form with the ball in hand right from the eighth minute when Henry Paul scored the opening try.

BBC: Bulls mock Blue Sox