I have this same Item. It can be seen in the picture.
Yep, I saw this too
In this video Tommy simply explains that he uses his feedback buster to get the most sound into a PA system.
Kennedy uses a Feedback Buster for his Acousitc in this live picture.
Must have for all gigging acoustic guitarists.
These things are ugly up close, but they work.
No particular reason for this sound hole cover, does the job well.
I always keep this just in case I run into a feedback problem at a venue. Great thing to have.
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