Rachel is wearing a chastity belt

"What the..." Rachel muttered. The panties had gone all the way up but instead of feeling them against her skin she felt metal.

Bleary eyes finally focused downwards and went wide with horror at what she saw.

Black metal covered her crotch, from between her legs up to her hips like a pair of black metal panties.

"What the hell?" she gasped, prodding the covering like it might disappear or turn out to be foam. It stays solid and unmoving, covering her sex and reaching up and over her hips.

As she stared at it further with uncomprehending eyes she realized the metal had etched in it a design like barbed wire, and while the leg holes arched over her hips silver chains ran horizontally from one side to the other across her pubic hair. It was like some bizarre g-string of chain and metal.

Rachel's mouth opened, though she wasn't sure if it was to question, scream, or simply gape, for at that moment...