Suppose you were a nice, tasty octopus walking along the sea floor...

You could walk on two legs and pretend you are a coconut.

http://www.newscientist.com/data/images/ns/9999/rolling.mpeg

You could walk like an Egyptian walking in multiple directions and pretend you are seaweed.

http://www.newscientist.com/data/images/ns/9999/walking.mpeg