Isolating the listening chair?


Lately I have tried using audio isolation devices on the feet of my listening chair, first trying Tip Toes, then carbon fibre cones, suspension couplers and composite materials. I would have to say that the differences in sound quality exceed those in using the same devices on my tube amp, preamp, CD, or record player. I am now experimenting with different materials to put in the chair cushions, sand, closed cell foam, natural lambs wool, etc. The initial results are quite promising. Has anyone else had experience with this in the context of a high-end system?
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My chair is made entirely out of myrtle wood blocks and sorbothane. Further, I hang it from the ceiling with aviation cable and springs. The trampoline was too big to fit in the listening room.
It's not your BUTT that you should be trying to isolate, but your HEAD dude! That's where your EARS are!
I currently trying one of those inversion devices, where you hang by your heels, and the results are getting pretty good. Except that my EARS (remember....THE important thing!) were not properly lined up with the tweeters.....dang! About to get it right though by adjusting the FORWARD slope of the speaker. Bloods r-u-n-n-i-n-g to my head n-o-w..... but I'm hearing things/details in the music that I've n-e-v-e-r heard before!

I sent my chair out for cryo treatment.

Blows away chairs costing thousands more.

I have not experimented with the chair, yet.
However, I have installed what I call the "Cone of Sound" which can be lowered over my speakers and chair to provide total isolation from all room acoustics. Kind of like having the world's largest headphones. I can't even hear the significant other pounding on the outside! Ahhhhh!