SINTOMS Ltd. has created a line of triangular frets that provide minimum contact area of instrument strings with a fret. Triangular shape of the fret crown eliminates any side tone and rustling caused by a string loose part rubbing against a fret crown, and that are especially well heard while recording sounds on the recording equipment.
SINTOMS Ltd. produces 2 types of triangular frets:
Sharp triangular frets have a smaller instrument string contact area with a fret crown than non-sharp triangular frets. However the performance of glissando on the instrument with sharp triangular frets is more difficult than on the instrument with non-sharp triangular frets.