I surely don't know what you mean. They're to keep the raccoons out! That's why they're on a piece of velcro, so they're removable!

Sarcasm aside, absolutely. Even if you wouldn't get in trouble for people hurting themselves by going into your bins, you could probably get in trouble for messing with town property or something. It's just the kind of thing I immediately think of after growing up with stories of "Let me take care of that for you" about a guy who's probably doing 30 to life for prostitution and selling heroin/whatever else the Hell's Angels get up to.