Weird. I tried it and didn't get much effect, but it's interesting to see so many positive comments on it. I'll try it some more over the next couple days.
I think that's because tinnitus comes in very different forms and intensity, and since it can't be objectively measured, it's difficult to compare between individuals. My guess ist that you can only silence very low intensity tinnitus with this technique.
Try a constant pressure massage instead of the thumping. Pressure should be high enough that the sensation is intense but not painful. The goal is to get muscles around the base of your skull to relax. I was amazed at how quickly it had an effect