Shakti Stone

I have had one for decades.  Initially, I used it on top panels that had been unscrewed but kept in place for quick internal access. The Shakti did a decent job of securing/damping those panels.

Since then, I have not been able to find an application for it, so it sits in the closet.  What are you intending to use it for?

My local dealer told me that the Shakti Sone was his most returned item.  

I never got down to that level. But here is a couple short reviews.

https://www.positive-feedback.com/Issue36/shakti.htm

https://www.audiokeyreviews.com/the-reviews/shakti-stone-air-online-air

Give one a try. I'd be happy to hear your thoughts. 

I've always been curious to try one too but not so curious that I've bought one.