What do the automatic fish catcher, the easy sushi-maker, and the body-shaping petticoat all have in common? They’re creations of some of the world’s most innovative minds for the world’s laziest bodies.

Hoping to turn their contraptions into capital, some 700 inventors from 42 countries have gathered at the International Exhibition of Inventions to show off gizmos ranging from a multifunction umbrella that contains an anti-mugger alarm to personal armor made of coconut-fiber.