This ancient signaling device creates a distinct, low-pitch sound that is capable of traveling over long distances. As the bullroarer rotates, it vibrates the air around it, thus producing sound. Surfboard-shaped and ready to whirl and hum!
This ancient signaling device creates a distinct, low-pitch sound that is capable of traveling over long distances. As the bullroarer rotates, it vibrates the air around it, thus producing sound. Surfboard-shaped and ready to whirl and hum!