Simple - just tuck in a metre square furoshiki and a pair of handles and with a two or three knots you can create bags to take you from shopping at the market to picnicking on the beach, off sightseeing and out to dinner...
And here are the links to the instructions for the other bags shown: two handled bag, grocery bag, loop handled bag, ring handled bag and the summer purse, plus some ideas on different fabrics to use. Happy wrapping!