Surfreter
The Surfreter is a fretless electric guitar with a proprietary metal-alloy fretboard. It was first produced in 1997 using the Delta Metal technology originally developed for Vigier Guitars's Arpège fretless bass.
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Wikipedia
The Surfreter is a fretless electric guitar with a proprietary metal-alloy fretboard. It was first produced in 1997 using the Delta Metal technology originally developed for Vigier Guitars's Arpège fretless bass.