Okay, so I finally caved and bought the MusicNomad S-File after seeing all the hype. And let me tell you – this thing is LEGIT.

The 'Safe Zone' feature? Genius. As someone who's accidentally over-filed frets before (RIP my first attempt at guitar repair), that little diamond-free strip is a lifesaver. You can literally hear/feel when it's time to stop – no guesswork!

Used it on my '92 Strat that desperately needed some TLC. The weight feels premium (not too heavy, not too light), and that blue silicone grip? My hands thanked me after doing a full fret job. Also love how it works in both directions – saved me so much time compared to my old single-direction file.

Pro tip: The engraved size indicators on the handle are clutch when you're mid-project and can't remember which channel is for jumbo vs narrow frets.

Is it pricey? Yeah. Worth every penny? Absolutely. My guitar now plays like butter, and I didn't have to pay a luthier $200+ for a fret dress. 10/10 would recommend to anyone who maintains their own guitars.