OK, I think I'm just gonna play it for a while now! JS22-7 + SD Nazgul & Gotoh locking tuners. : r/7String
Genuine Original 7 In-line Gotoh Sg381-07-mgt 7 Strings Guitar Locking Machine Heads Tuners ( Chrome ) Made In Japan - Guitar Parts & Accessories - AliExpress
Which Tuning Machines fit a Jackson JS32-7 7 String Dinky Guitar? – Hipshot FAQ
Mayones Duvell Elite 7-String, 4A Eye Poplar Top, Supernova Blue Gloss, Black Limba Body, Ebony Fretboard, Hipshot Locking Tuners and Bridge, Mayones Hybrid Case - Music Loft of Wilmington
Genuine Tone Ninja 19:1 Locking Tuners, 7 String Inline, Black | eBay
Locking Tuners 101: The BEST Guide To This PRO Upgrade!