“Spread ‘Em!”
He’s told her to spread her bottom cheeks so that he can “whip in”. She’s… understandably reluctant:
From Der Flagellantismus in der photographie (Hippocrates Press, 1933).
See Also:
Spanking Blog: Adult Erotic Spanking At Its Best
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A "Punished Delinquents In Tears" Movie:
Detention House 3: Spanked Inmates Made Very Sorry
"...a heavy round wooden paddle with a hole in the middle that leaves fearsome red bruises. And then the shaking girls with beaten butts and tearful faces receive another terrible punishment..."
YEEOUUUUCH!!!