What it lacks in aesthetics, it more than makes up for it in economy and effectiveness.
Good on you crouser67! This is the BOSS's ultimate audiophile nightmare; I sometimes tease her about it. Next time I'm feeling mischievous I will show her this photo!
Egg crates have been rumored to work well for many years, but I would really like to see a reflection frequency response to really understand in which area they work.