Shiny Butt
The blue rubber is manifestly unfit for use as human clothing, but the visual effect is remarkable, so there it is anyway:
Found on a Japanese Tumblr.
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..."
