Rig Rundown: Dinosaur Jr.’s J Mascis and Lou Barlow 
One of rock’s loudest guitar-and-bass duos catalogs their ferocious setups.
Not afraid of more substantial mods, J picked up this Squier Classic Vibe Telecaster Thinline and put on a Fender neck that already had jumbo frets. He also dropped in some Seymour Duncan Custom Shop BG1400 single-coils.
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