They're girls night out took a turn for the worse after following those guys to their room. It was easy to overpower and tie the two of them up. The look in their eyes when they were told they're going to have fun all night and then left for the cleani
You tried to resist, struggling and kicking around so you only have to blame yourself for your actual condition. Now you are deprived of sight, hands utterly helpess and your ankles chained to your balls and so you will stay until you learn to behave.
Brainwashing your property is a continuous process. While locked away in storage, VR can help stimulate them - degrading, humiliating, and extreme pornography enforced by constant edging with a wand will help to reshape their minds.