bike lock

But then I saw this and just gave up. No chance.

How many bike thieves have you ever seen carrying around a pair of scissors instead of a bolt cutter?

His new job might put a strain on his life though.

Who needs a key when scissors will do?

Then it's hilarious. ~Not-So-Handy Andy

On the plus side, you'll weed out the thieves with low self-esteem who just see a bike lock and lose hope.