When you're biking, it's important to signal the other vehicles on the road—cars and bikes alike—when you're going to turn, change lanes, or make any other movements that may put you in harm's way.
[Credit: CTY1995 on Instructables] Bicycling is a lot of fun, but riding next to cars can be dangerous, especially if drivers aren’t paying attention or if it’s dark out. Instructables user CTY1995 ...