In Season 6, Episode 5 of Californication, Marcy puts Stu in a cock cage to punish him for cheating on her.
This looks like the CB-6000 Designer Line Chrome Edition*:
Direct YouTube Link: http://youtu.be/xojo-6K6M3A
Next, she heads out to dinner with her girlfriend, leaving him locked. But first, she puts some girl-on-girl porn on the TV and gives him a LONG, HARD kiss goodbye. ;-)
* Knowing how well hung Stu is supposed to be, I'm surprised that she didn't put him in a Curve!