Grains of sand, passing through a bottleneck at uneven rates. Sometimes you see the flow rushing to the bottom like an angry river. Others it’s almost as if gravity got tired of its work and wanted to experiment with something new.
It’s funny when you want time to go by quicker you tap the glass, rotate it, shake it as to disrupt the fall. Maybe if you want to stall you give it an angle that isn’t discernible from the absolute vertical to the unsuspecting viewer.
Sand, trapped within sand.
