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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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..."
