Bamboo is the most abundant material in Japan, so it's easy to get hold of. You lash that with rice straw rope or am hemp rope and palm fibre. Then you use fermented clay as the first plasters for the bamboo wall. Ye a: The workability is really amazing. A, it's really pleasant to spread. So there's so many different kind of plusses that you get out of doing that process.Ye a: There's meaning in all these little details that have to be in there.