On my workbench today I have a Les Paul Junior style guitar that I built last year. It is currently my no 1 player and main gigging guitar. Here it is:
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Unfortunately it has developed a nasty trussrod rattle, which also creates feedback with the amp. I tried to fix this a while back by drilling from the octave inlay dot sideways to the trussrod channel and injecting some wax, but the wax solidified way too quickly and most of it ended up on the top of the fretboard, which required a major cleanup

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I'm not ready to admit defeat, so here we go again, this time with a different gameplan. I want to drill directly from the top down into the trussrod channel to inject silicone and then cover this by a third fret marker at the 12th Brian May-style, like this:
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I have a gig on sunday, so let's get this over with!