From the cover of an old War Horrors title (Nurse Prisoners of the Kong I believe) we have this brutal artwork. The bamboo caning is well begun, the bondage is sufficient, and unless I miss my guess the raping and ravaging is about to commence!
"...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..."
