Originally Posted by Josmund

I used to shoot at an indoor archery range in Rapid City, SD. It was only about 30 -40 yards long. Guys there ( not me ) would get bored with drilling the center of the target so they would hang a ping pong ball from a string and hit it.

That wasn't hard enough so they would put a fan on the ball and get it swinging and still hit it on a regular basis.