Black Mountain Picks Slide Ring Eminence Martin strings are designed to

Martin strings are designed to deliver excellent tone

It is pre-slotted to make for a quick and easy install

Sparkle Drive MOD delivers all the overdrive tones of the original Sparkle Drive

and is nickel-plated

The OH-14 Case Plus+ Humidifier uses the same evaporative membrane as the OH-5 Plus+ Humidifier

Black Mountain Picks Slide Ring Eminence Martin strings are designed toSwitch between traditional and slide guitar, on the fly, whenever you feel the urge! Revolutionary design allows you to play with four fingers, the way you normally play. You can bar, fret, play four finger chords, four finger scales. There are no limits with the Black Mountain Slide Ring!