Slave Nipple Whipping
One from above, then one from below!
From the Dofantasy comic Slave Trade, drawn by Cagri.
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..."
[…] nipple whipping — even the cartoon kind — never gets old for […]