Do you consider your keyboard to be a fragile thing? Meet the glass keyboard by [BranchNo9329], which even has a glass PCB. At least, I think the whole thing is glass. Image via [BranchNo9329] via ...

This seems like a great tip to keep in mind for when catastrophe strikes your boards. There are more extreme ways to do it, of course, but perhaps none so flexible. After all, epoxy is versatile ...