Yes, but ID and money are slender. Two altoid tins strapped to your ankle on the other hand is a bit bigger- sooner or later someone is going to think it is a drug stash. Or that you want to FedEx yourself to your deity of choice and bring some unwilling company.

Sometimes urban survival is about not being noticed. By anyone. This isn't blending in. This is trying to be sneaky in a manner that when it fails, it's going to fail hard.