To human being, light is the closest and the most important factor. But, not everyone feel it and consider its value important.
‘Pulley’ realizes the slight but important value of light using crane structure that easily pulls heavy things. ‘Pulley’ uses thin frame, and different pulley for each point of contact, letting current flow intersecting between them. This structure plants watchers feeling of tension as if they are looking at a pulley that is delivering heavy thing on a high place.