Cigar Box Nation - These string retainers were originally developed for Floyd Rose trem systems, but they're also perfect for cigar box guitars. More info here: https://www.cbgitty.com/guitar -instrument-parts/other-hardware-parts/3pc-string-retainer ...
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Amazon.com: Musiclily Brass Guitar String Retainer Bar for Floyd Rose Tremolo System Electric Guitar,Black(2 Pieces) : Musical Instruments
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