Rope chair - This is a rope chair which is provided for climbers in the mountain. The feature is that users can get this chair from vending machine, so they just put some coins and get three pieces of plywood; two of these are connected by rope. Users have to construct the chair by themselves, yet it takes only 1 minute. At the first, 2 legs are joined cross and ropes are already hung on. After this, the other support wood is joined with the 2 legs.