Lopsided Interrogation
Darla would later admit to her cruel lover that the thing she hated most about their interrogation scene was the way the little pulses of current only hurt her on the one side of her body. “It was like a framed painting on the wall that’s hanging crooked… I kept wanting you to even it up, and you just wouldn’t, you bastard!”
Photo is from Shadow Slaves.
Elsewhere on Bondage Blog:
To be fair to him, there was a method behind this technique. By licking and sucking on her free nipple, he noticed her right nipple also became erect. So it is a convenient way to maintain her arousal for the next zap.