Please check this video to understand how well Sound Offset Spacer works!
Installation Instruction
1 Slide the S.O.S into the space in between the strings and fingerboard. If the space is too tight, loose the strings before sliding it in.
2 Adjust the location of S.O.S according to each strings, making sure the strings are on each compensated area and there is no gap in between the S.O.S and the nut. If the S.O.S is wider than the nut, cut the sides of S.O.S to match to the nut.
3 If the bottom of the string slot on the nut is higher than the S.O.S. You may need to make small adjustment.
1) File the string slots deep enough to flush with S.O.S surface(Recommended).
2) Affix the height adjust tapes included in this package to the bottom of S.O.S to adjust the height to match to the string slots. A layer of tape can raise the height by 0.1mm at a time.
Note
Please check first if your instrument fits to the spec S.O.S requires in scale length and string material before the installation.