Activities at the Rose Festival, June 23, 1920. The caption on the back of this image states, “A few of the girls giving dumbbell exercises in front of grand stand for Shriner’s benefit. Given just prior to the floral parade.” Are any of you familiar with this exercise?

Activities during the Rose Festival parade, between the Portland Hotel and the Northwestern Bank, June 23, 1920: A2004-002.1386
They are just weight lifting exercises with dumbbells, those dumbbells happen to be made out of wood, they are actually Indian clubs or meels.
You are not allowed to call them dumbells anymore….