Is spelled Shulker in game lol.
nice Idea Ill try it out on my server.
Review: Very simple idea and it works as described.
One thing I found that could be an issue with these is
The ability to essentially create an endlessly large
single storage chest simply by putting chests within
Edit: Managed to break things with this, got disconnected with:
Internal Exception: io.netty.handler.codec.DecoderException: java.lang.RuntimeException: Tried to read NBT tag that was too big; tried to allocate: 2097165bytes where max allowed: 2097152