axezombie: Now you shall back up and pass the knot again. When you pass this knot, I will add anothe
axezombie: Now you shall back up and pass the knot again. When you pass this knot, I will add another and you shall walk forward to pass both knots. There will be one knot added every hour until you walk the length of the room. In the mean time you shall just go back and forth dragging your cunt over the existing knots. -- source link