You know, sometimes I think either a good boxing class, or kick boxing or punching bag would help me. I am trying this visualiztion and it isnt yet getting me relief, but boy if there was a punching bag...now that might be something.
Sometimes I think we have to get really PISSED OFF and punch things to really let out the physical side of the rage.
I have been thinking of doing this lately. After you feel all recovered from your injury, maybe it is something to consider....or if you are a runner...take it up. My friend is a runner and she swears that it unleashes her rage like nothing else.
I've not read Steve Hassan, but I'm suprised to see him advocating what is in effect creative processing, lifted from Magick. Its a powerful technique. I've seen a UK magician or something do it on TV with great results.
Try varying the mock up in whatever ways seem appropriate, or even innapropriate.