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Continue to ChatRockin' Patent - Dan E. Prozinski's "Harmonica Holder and Sound Baffle" https://www.russellip.com/rockin-patent-dan-e-prozinskis-harmonica-holder-and-sound-baffle/
Rockin' Patent - Dan E. Prozinski's "Harmonica Holder and Sound Baffle" https://www.russellip.com/rockin-patent-dan-e-prozinskis-harmonica-holder-and-sound-baffle/