EXOTIC WOOD TOPS: Mk9 Mockingbird hardtail features clean lines that accentuate the beautiful exotic wood capped tops. “R” LOGO HEADSTOCK INLAY: Clean, classic, cool. The lone “R” logo in beautiful abalone, set into the bound, figured Maple Burl (MPB) or Walnut Burl (WNB) makes Mk9 Mockingbird a visual stunner. HEEL-LESS NECK JOINT: MK9 neck through and it beautifully functional heel-less joint, pioneered by B.C. Rich.