A THE INCHWORM STRETCH, U.S.
Many of us have enjoyed watching an inchworm inching along, occasionally rearing up and waving around as if to sense where it is going. Unlike other caterpillars it has no feet along the full length of its body, only soft footpads with strong claws at the front and rear ends, enabling it to have a firm grip on the substrate at either end. One, posing for Kjell, put its feet together and offered him the perfect sign, "Omega".
Inchworm locomotion was studied extensively by early designers of machine automation to solve problems in principles of stabilization, steering and obstacle crossing for research on moon robots. The inchworm's best advice: "Never let go of what you're holding until you're holding something else".