Even if you work out how to access the cache with a tool of your own, please only use the supplied tool as finding and using it is part of the challenge of this cache. If the cache gets stuck, read the hint.
There is no need to look behind the brick wall.
When you find the tool, the name of this cache will make sense.
Please do not try to move, remove, or in any way tamper with the cache container. Happy hunting!