A bicycle locked to an easily moved store sign.
hahahahhahahahahahahahahaha!!! That's so funny!
I was just lawling about that, imagining an idiot thief who would take the time to get the front tire off to steal it
You also shouldn't lock bikes just by their front wheel, as the front wheel can be popped off in seconds (it's usually the first part to wear out).
Obviously not the point, but good to note.