Take a look at Tapastring Strap Keeper. And yes, I am pretty sure that stickingg the plastic jack into your audio jack causes one of the contacts inside to move and make an electrical connection
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Rockbridge DDS
Huss & Dalton TD-R
Martin 50th D35
Martin D28 1937 Aged Authentic
John Walker Lochsa
Roberts Slope Dread
Johnny Rushing Ditson Style 12 Fret
Beard Goldtone Resonator
Bob Thompson Slope Shoulder
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