Sculptural no-nonsense semiotic. Communicates high value of items in storage to amateurs. Pros will pop it with nickel-size C4. Both might develop alternative strategies or stick it to you with a toothpick soaked in cyanoacrylate (superglue). Should suffice for high-school jocks’ lockers.
I can envision a T-shirt graphic … tho, I am awaiting a 20 foot PVC copy (a la Roy Lichtenstein) monument to materialist paranoia in Central Park.