This Heretic Knives Custom Martyr Spear Point Flipper Knife Satin Plain CPM-154) H009-1A Folder Knife. The Martyr from Heretic Knives is a flipper folder that comes in a variety of blade finishes and handle materials. From titanium to aluminum, this flipper folder features both a flipper tang and an enlarged thumb hole for opening options. The handle is textured and jimping is provided for a sturdy grip. The razor sharp hand ground blade is locked in place with a liner lock and the blade can easily be closed with one hand. A lanyard loop is provided at the base of the handle and can be used as a glassbreaker/crusher. The concave section near the pivot is a comfortable position to place your thumb while the knife is closed when using the rear crusher.