Althea, ever think a broken toaster could help design a cheap, reliable barrier? The latch on a toaster door—snap shut, no extra gear—maybe that’s the kind of fail‑proof lock we need for a quick‑deploy guard. I once rigged a carburetor into a vending machine on a dare, and it stopped a whole line of customers in one go. Imagine a piston‑driven shield that just locks when someone gets too close. What’s your take on a mechanical wall of that sort?