I needed a screwdriver to assemble some flatpack furniture for my new place. All my other stuff was weeks away from being delivered. I go buy a reasonable qual

I needed a screwdriver to assemble some flatpack furniture for my new place. All my other stuff was weeks away from being delivered. I go buy a reasonable quality multi-bit screwdriver. It's packaging comes with a large, hard plastic shell around the handle. What's the shell secured with? A screw. So you need to buy two of them so you can unscrew one, and return the other.