Hey man, the knobs are broken off O' the pots. Probably still under warranty I'd wager.Dixie Dave Collins of Weedeater does:
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Looks like he has a Badass bridge on there, but beyond that and the pickguard it looks like it could probably be a stock Affinity P bass. Listen to Weedeater and you will hear just how well that bass delivers through that Sunn rig! No need for him to upgrade any time soon.