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Easy Open (EZ open): A knife with a U-shaped cut out along the handle making it easier for the closed blades to be grabbed and opened. The U shaped notch allows the knife blade to be pinched and normally means that no nail nick is required in the blade.
Ebony: A dense black wood yielded by several species of plants in the genus Diospyros, sometimes used in knife handles. Other types of woods may be passed off as ebony and some wood will be dyed to look like ebony. A Reputable dealer or manufacturer will use the term black wood for woods not from genus Diospyros, genuine Ebony is so dense that it will not float in water. This makes it impervious to sweat and most liquids making it ideal for knife handles.
EDC: See every day carry
Edge: The cutting portion of a blade.
Eisenhower: Originally a Case Pattern 63 penknife which was favored by President Eisenhower and given out as gifts while he was President. Case later changed the pattern name to Eisenhower. It is an equal end pen knife with a spear and pen blade on opposite ends similar to a Senator knife. In some instances, a Case Eisenhower knife will have President Eisenhower’s signature etched in the main blade. See Senator Knife for comparison.
Electricians knife: See linesman knife
Elephant Toenail: A traditional pattern folding knife; a knife similar to the sunfish knives in that it is wide bodied knife with the stubby spear and pen blades. The main blade is slightly longer than the secondary blade. Unlike the sunfish, the Elephant Toenail is wider at the top than bottom of the knife.
Encapsulated Tang: A type of tang that is completely hidden by a fixed blade’s knife handle. Encapsulated tangs normally have If the back of the tang is not visible at the rear of the handle, assume the tang ends somewhere after the last visible screw or rivit that is visible in the handle. (See Full Tang and Rat Tail Tang)
Epoxy Powder Coating (EPC): A coating applied to blades to aid corrosion resistance and make them non-reflective. Common in military and tac knives.
Escutcheon: A more fancy term for the knife’s shield or mark. The term is used in heraldry and refers to a family’s coats of arms… Rarely seen in the literature these days.
Every Day Carry: A knife that is carried on a routine basis. This may be due to cost, functionality, reliability or some personal reason. In some cases, such as hunting, fishing, or military style knives, the EDC it is their “Go to” knife when performing specific tasks. Many collectors will only collect knives they’d consider carrying every day.
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