Gather Around The Whipping Post
With at least four whippers, I should think they’d be at risk of whipping each other on the backstroke:
From a comic called Album Bizarre, artist unknown.
See Also:
Spanking Blog: Adult Erotic Spanking At Its Best
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How It Started And How It's Going, The Movie:
Wild Party 2: Five Very Sorry Girls
"...thirty vicious cane strokes for each delinquent young woman caught drinking on school grounds..."
