The unique design proves there's still uncharted territory, even with the most time-tested folding blade features.

The folder's reimagining is noteworthy enough, but it gets bonus points for launching with five distinct editions.

The Outdoor Life July 1942 Trapper Collectors Set knife handle features a polished bolster ... The classic trapper-pattern slip joint is robust and houses two 3.5-inch satin-finished stainless steel ...

The James Brand also switched the Ellis over to a slip-joint design, which in simple terms, uses a metal bar spring that holds the knife open ... is ideal for weekend camping trips, quick jobs ...

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