Are you in a mild earthquake zone, or located near a subway or railway track? Very small earth movements, unnoticed by you directly, could cause the counter under the cups, and therefore the stand on which the cups hang, to move enough to set the cups swinging.
Are you in a mild earthquake zone, or located near a subway or railway track? Very small earth movements, unnoticed by you directly, could cause the counter under the cups, and therefore the stand on which the cups hang, to move enough to set the cups swinging.
lawriesv 1 year ago