The sheath is kind of weird, you have to disengage it by pushing the bottom instead. " overall. [HOST] › Blackjack-ModelNeck-Knife › product-reviews. The ESEE CR is a great little knife that I carry at all times. . ESEE BlackJack Model Neck Knife Black Finish w/ Leather SheathBlackJack Model Blackjack Model Neck Knife. On the other hand the came verrrry decently. One piece red powder coat finish stainless construction. 3" CM Stainless blade. The knife is slightly shorter overall than my Izula II, but the blades have practically the same length of cutting edge. New sheath has excellent retention and blade was spotless. The grinds. Blackjack knives comes in CPM About identical in size. If you look really hard you can find a LT Wright. But either way the izula was a much more useful size and comfortable. A few days ago, I saw a video with a Blackjack The only two I enjoy neck carrying are my izula 2 and xancudu in. The Izula or the Izula 2 are also good knives. [HOST] › Forums › Backpacking/DIY Hunting Equipment › Gear.