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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Brutal Pussy Spanking Movie:
Detention House 2: Collective Punishment Extreme
"...the girls are strapped to the bare military metal beds in an extreme position, with their feet by their heads, spread wide, so their butts, pussies and anuses are fully accessible..."
