Please choose the correct ending to complete the given sentence: Cars & Other Vehicles: [header] How to 180 on a scooter [title] Scout out locations. [step] Find an open area free of any hazards (uneven surfaces, sharp objects, or pedestrians). Skate parks are great places to practice tricks.

Ending1: You can also use ramps or diving boards. [title] Point your scooter in any direction. Ending2: Take a few passes around to find where most of the most people are and make a mental note of your location. [substeps] Most scooter parks and fitness centers have strict rules for skateboarding. Ending3: Try a street bike shop, gym, road-stop place, or zoo. If you feel that sledding is a good option, rent a scooter or road bike. Ending4: Also large, open parking lots can be used for tricks. Make sure there aren't any rules against skating or scooters! [substeps] If you're shy, stick to your driveway and garage till you feel comfortable.

Answer format: ending1/ending2/ending3/ending4