Anonymous ID: 042afa July 25, 2018, 7:56 p.m. No.2290633   🗄️.is 🔗kun   >>0822

>>2290595

Yes…kind of like a chess clock. When white moves he hits the button stopping his clock, but starting black's.

 

You can visualize it differently, though, as white clock running forward and black clock running backwards.