This is the relevant reference from the Books where an Exhibition Rack is mentioned.
I make no pronouncements on these matters, but report them as I find them.
Arrive at your own conclusions.
I wish you well,
"Behold," proclaimed Tajima, looking down, pleased, upon his handiwork, "the daughter of Lord Yamada, supposed Shogun of the Islands, a slave, and the slave of Tajima, servitor to the daimyo, Lord Nishida of Nara, Tajima, officer in the tarn cavalry of Lord Temmu, commanded by the warrior Tarl Cabot."
The slave struggled a little, but could do nothing to free herself.
"What think you?" asked Tajima.
"It is hard to conceive of a woman better exhibited," I said, "unless perhaps she was bound naked on a spinning exhibition rack, her hands tied over her head."