Suicide skate
People sometimes use In-line skates, skateboards, or other similar devices to tour around cities such as London and Paris. Such events are typically organized by a group of volunteers who operate in cooperation with the police and other local authorities, and generally use marshals to help control the traffic (see Road skating § Street skating.) The term suicide skate emerged to describe events where a group of approximately 5–30 people use In-line skates to tour around a city without informing the police or other local authorities and without using marshals to help control the traffic.