Stick

Agitation Stick

1. A thin piece of wood that has fallen or been cut off a tree.
2. A piece of trimmed wood used for support in walking or as a weapon.
3. ( In hockey, polo, etc.) a long, thin implement used to hit or direct the ball or puck.
4. A long, thin object; a stick of dynamite.
5. The threat of punishment as a means of persuation.

Origin - old english