Deep dive on the Ibanez ZR / ZPS bridge

The Ibanez ZR bridge is one of the most misunderstood double-locking tremolos. In this video, I break down how the ZR and the ZPS stabilizer actually work, why Ibanez designed them this way, and what problems they solve. Hinges instead of knife edges, return-to-zero stability, string-break test, and setup insights. Chapters: 00:00 - Intro 00:58 - The Design 07:27 - Setup 10:14 - Experiments 15:32 - Bonus Tip 18:43 - Conclusion #guitarrestoration #ibanez #s470