Oh, dekay.....*sigh* 'Fanny packs' (aka 'butt bags') are So 20th Cen....
Spouse remembered a wool vest I wore decades ago (until the dry cleaner shrunk it to fit a 3 yr. old).....and got me this recently...
https://www.scottevest.com/shop/mens-vests/mens-fleece-vest/fireside-fleece-vest-men.shtmlComfy, but I'm prone to 'frisking' myself trying to find whatever I'm trying to find...and you'll note it has the Least pockets of their products....
My 'listening space' is a little better than you've illustrated (no search parties required as yet), but is cluttered enough that I'm looking forward to the day it becomes obsolete due to a relocation.
But, since I run DEQ, it sounds good to my drain bamage....for now. *S*
Something I've considered, since I'm an omni fan, is to investigate trying these as a surface over an acoustic 'blanket/panel'....
https://www.homedepot.com/p/Art3dwallpanels-19-7-in-x-19-7-in-White-PVC-3D-Wall-Panels-Wavy-Wall-Des......if only to avoid the 'padded cell' look of an extreme acoustic treatment, and keeping in mine that omnis 'like' reflection...properly attended to, of course....;)
Thinking 'outside the box' first requires one to accept the existence of 'the box'...
I've tended to lean into a 'mobius loop' sort of reality, myself...*G*