Zero Glide Installation of a preslotted nut.
www.zeroglide.com
Zero Glide Replacement Nut Systems borrow the "zero fret" concept to reduce string contact in the nut by 93%, increasing tuning stability, playability, and open string tone.
Easily installs in minutes with no permanent alteration to your fretted instrument whatsoever.
Available preslotted to fit common string spacings and unslotted to fit everything else.