Seymour Duncan Holcomb Dark Sun Digital Delay + Reverb PedalAs part of the three guitar assault that makes up Periphery, Mark Holcomb might be best known for bombastic riffs and liquid leads, but hes no stranger to the atmospheric and ambient side of guitar. The lush clean passages, accented by crystalline reverb and chiming delay tones that break up Peripherys aggression are part of the formula that makes the band so specialmeaning the bar was set high when we set out to create a pedal that could meet Marks