Click the Flag. Click the button on left if you want to turn on/off ticking. For striking on/off, same on the right, if you know the rules. Click on any of the two circles on the ends of the chains to wind it.
Inspired by Phalos Southpaw. The new rules of turning the striking on/off is a new feature that is going through all my striking/chiming clocks. Pendulum Refurbished! Master Clock 1 is here: https://scratch.mit.edu/projects/355438281/