Answer:
Whipping one of these out in the wrong setting is said to be terrible luck.
You could do this to a motion, see it on a watch, or place this in a race.
They come out at night without being called, and are lost in the day without being stolen. What are they?
Once you know it exists, it no longer exists. What is it?
A father's child, a mother's child, yet no one's son
People take me on walks and I run and have fun. What am I?