Holy Grail Guitar Show '18 - Teuffel Guitars Naked Birdfish and Niwa Prodigy Shawn HammondMay 23, 2018VideoGerman boutique guitar icon Uli Teuffel shows off even more refined versions of two heralded models—the Naked Birdfish and Niwa Prodigy.humbucker-equippedholy-grail-guitar-show-18whats-newvideosgear-show-demosingle-coil-equippedteuffel-guitarsguitarsgear