I had a (red) U Lock from my rear wheel into the frame making the bike unusable then chained the rear tire to the roof rack of my car. The chain was cut and left behind, the (redish pink) U lock was taken with the bike and may still be on it.
Protect your bike – get a security protection label!
Apply the protection label to your bicycle and instantly reduce the risk of theft by up to 50%! Moreover, if the bike is stolen, you increase the chance of its safe recovery by up to 70%.