👉 Untrailed, also known as a "unicycle," is an ancient and historically significant mode of transportation used by primitive humans. It was a two-wheeled device that consisted of a frame with four wheels attached to a single axle. This design allowed for better maneuverability and stability compared to traditional wheeled vehicles like modern cars or bicycles. The untraveled state of this ancient mode of transportation is often associated with the idea of "unlimited travel," as it was considered safe, reliable