I don’t know if such things exist outside of Japan, but over here there are devices for shrink wrapping futon to protect them against mould and mildew. You place the futon into a heavy plastic bag, and then attach a hose to a hole that is provided to suck out all the air and produce the shrink wrap.

Click here to watch a (not-safe-for-work) video that proves the much-vaunted Japanese knack for finding new and innovative ways to use existing tools and processes is very much alive and well among the nation’s pervs.