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

Moments later, Emanuel Pogatetz powered another header towards the top right-hand corner, only for Niemi to claw the ball away at full stretch.

BBC: SPORT | Football | Premiership | Middlesbrough 3-1 Fulham