World Class Electric Guitars - Buy Factory Direct, Z-Glide Neck | Dean Zelinsky Guitars, Dean Zelinsky, a legendary guitar designer/builder, launched his original brand in 1976. Zelinsky continues to balance tradition with ingenuity in his Private Label Guitars. Presented herein are instruments that embody Zelinsky’s 39 years of experience. With breakthrough concepts like the Patented “Z-Glide” neck and the ultra-thin single cutaway Zenyatta, Zelinsky has once again taken the function and design of guitar a bit further. All guitar models: Tagliare, StrettaVita, Zenyatta, LaVoce, Mul.