View post (do your frets screw up while tapping?)
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i once had some frets that had slits in like they were cut by a razor instead of dented, but that came from accidently hitting the strings into the fret with a hammer (i was 14 :rolleyes: ) but as for the dents, i'd say its just wear. i'm a serious tapping fiend and its never happened to any of mine :)