What's a Barnacle? It's yellow, sticks and screams if you try to pry it off your car

Barnacles, bright yellow devices used to make sure parking scofflaws pay their tickets, could soon be making their way to cities across Canada.

What's a Barnacle? It's yellow, sticks and screams if you try to pry it off your car

What's a Barnacle? It's yellow, sticks and screams if you try to pry it off your car

What's a Barnacle? It's yellow, sticks and screams if you try to pry it off your car

What's a Barnacle? It's yellow, sticks and screams if you try to pry it off your car

What's a Barnacle? It's yellow, sticks and screams if you try to pry it off your car