![The nipple clips on her breasts pull her forward, then an unseen string attached](https://i.imgur.com/ke5raajm.jpg)
The nipple clips on her breasts pull her forward, then an unseen string attached to the chastity belt pulls her the other way, and the forcefield-empowered anal beads go back in. Then the nipple clips ... it's your classic back and forth!
SFandFslavegirls