![Pretty sure these are Gotoh locking tuners. Any ideas on how to use them and make them lock? : r/7String Pretty sure these are Gotoh locking tuners. Any ideas on how to use them and make them lock? : r/7String](https://preview.redd.it/jx8749subxw51.jpg?auto=webp&s=19071d15a5a761dcecf86c7066958bfd737ae33e)
Pretty sure these are Gotoh locking tuners. Any ideas on how to use them and make them lock? : r/7String
![GOTOH SD90 Magnum Lock Traditional 3 x 3 guitar tuners Nickel - Philadelphia Luthier Tools & Supplies, LLC GOTOH SD90 Magnum Lock Traditional 3 x 3 guitar tuners Nickel - Philadelphia Luthier Tools & Supplies, LLC](https://cdn11.bigcommerce.com/s-1lthcj/images/stencil/1280x1280/products/1103/4297/apiatq6xg__64372.1529087413.jpg?c=2)
GOTOH SD90 Magnum Lock Traditional 3 x 3 guitar tuners Nickel - Philadelphia Luthier Tools & Supplies, LLC
![GOTOH SG381 Magnum Lock Trad - Locking Tuning Machine - Singles - Philadelphia Luthier Tools & Supplies, LLC GOTOH SG381 Magnum Lock Trad - Locking Tuning Machine - Singles - Philadelphia Luthier Tools & Supplies, LLC](https://cdn11.bigcommerce.com/s-1lthcj/images/stencil/1280x1280/products/1628/6714/api5weer3__41175.1536797700.jpg?c=2)
GOTOH SG381 Magnum Lock Trad - Locking Tuning Machine - Singles - Philadelphia Luthier Tools & Supplies, LLC
![New GOTOH SG381 MG-T Magnum Lock Traditional locking tuners now available – Philadelphia Luthier Tools & Supplies New GOTOH SG381 MG-T Magnum Lock Traditional locking tuners now available – Philadelphia Luthier Tools & Supplies](https://blog.philadelphialuthiertools.com/wp-content/uploads/2013/05/SG381-MG-T-07-CK-3.jpg)