You should get dirty

In one of this shelves on the top of the wall...there they are...dirty tins are waiting for someone who wants to open again and they can be used.

"Even a tin knocker will shine on a dirty door"
Irish Sayings

"When a man owns the tin, he has a vested interest in it."
Jay L. Turoff

"Life is rather like a tin of sardines, we're all of us looking for the key"
jose Alan Bennett