But the pods are so small and tight that he can barely split them open with his penknife blade to show me the bean inside.

BBC: US crops tell story of future world food prices

If you were scuba diving and a shark came out of the blue, I'd take my penknife and I'd end that shark's life, fix you up some hammerhead stew.

NPR: Bluesman Delbert McClinton's 'Cost of Living'