"Four major nerve clusters inside the human thigh," Guerrero calmly folded his cuffs over the bulge of his bicep. "Some mystics say they can find sixteen, but I always figure they're just bullshitting, y'know?"
She didn't answer. She couldn't.
"Three pounds of pressure on any one of them will cause most people to pass out," he leaned forward. "Know what's cool, though?"
His breath warmed her bare thigh, making her whimper behind the gag.
"With the right... stimulation... you can take a lot more pressure. And the human tongue is the strongest muscle in the body."
Her body arched.