An OTK Spanking
I like the look of anguish on the girl getting her over-the-knee spanking in this picture:
From Kinky Delight; click the picture for a much bigger version.
See Also:
Spanking Blog: Adult Erotic Spanking At Its Best
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Reform School Collective Punishment Movie:
Detention House 3: Delinquent Girls Spanked Amazingly Hard
"...the girls are prepared in the reformatory’s punishment room, naked, lying on their backs on special benches, bound with their legs spread above their heads, shamefully showing the two holes usually hidden..."
