For lovers of hikes of the day off prefer to relax on the water, great interest will present an unusual variant of the lightweight catamaran, published in the Hungarian magazine “Earmaster”. This is a single pleasure “boat” with a rowing treadle, which is based on two beach inflatable mattress They are used without modification or any improvement, therefore retain its traditional meaning. And to go on them in a small swimming — perhaps fishing or just a ride — enough to lay a small wooden frame with attached to it a conventional folding chair, popular with vacationers and retirees.