You are correct SalmoG in that man is a tool using creature.

Just for the challenge, I sometimes just dig up an earthworm with my barehands, stand buck-naked in the river, hold the earthworm under the water, and when the fish come for the worm, I plunge my head down in to the river and grab passing by steelhead with my teeth.

Sorry, absolutely NO photos are available, and never should be made available, of this zen-like technique.