Ok, get ready to start stroking.
The rules this time are that you may not cum until he does. You must keep stroking after he cums. And, you must stroke your cock the same way she strokes his.
http://www.tnaflix.com/view_video.php?viewkey=3ec9c0d394e3cf58488f
Remember, you must wait for him to cum and you'll cum at the same time.