I kneel, knees held to the floor by hard leather straps tied to anchored metal loops, forcing them wide apart. More leather binds my wrists together and to my ankles wrists bound to each other, and another strap connects them to my crossed, tied ankles, keeping me from moving or bending too far forward, though I can look down at the small dark hole in the floor between my knees. Shiny metal clamps, fastened to the floor in front of me by short chains, hold my nipples and clit gently but firmly. They pinch, but it's not too uncomfortable unless I try to pull up or lean back or to the side.

A rising, sliding sound draws my attention downward, and I carefully look down to see a smooth, rounded shaft rise from the hole, up to me and effortlessly impale my vagina. It is cool and slick, and rises in me until it presses against the end of my passage. It is already sliding its way out of me when I start screaming, and has disappeared into the hole by the time I instinctively jerk away from it, making the clamps bite my nipples and clit, and making me shriek louder and fight to still my reflexes. Tears trailing from my eyes, I finally get my movements under control, though I'm trembling all over now. The sliding sound starts again and my eyes lock on the hole as my entire body tenses up. I'm screaming before the shaft even appears...