Mr Harrington said it was likely that a wide-bladed knife had been used in the attack.

BBC: Aamir Siddiqi: Defendant seen on CCTV 'spending proceeds'

Harvesters pick the seaweed on beaches, cutting the plants with a short-bladed knife to allow them to regrow.

BBC: Seaweed

Run a thin-bladed knife between the cake and the bottom of the pan to release it, and invert onto a cooling rack.

NPR: Two Centuries of 'Baking in America'

And the large-bladed, distinctively shaped Bowie Knife--designed by and named for legendary American pioneer and soldier Jim Bowie--is used for everything from camping to fishing to fighting.

FORBES: Magazine Article