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Terrain 365 Transforms Otter Slipjoint into Locking Flipper Knife

June 25, 2021

Terrain 365 is revisiting their Otter slipjoint design with a sequel called the Otter Flip-AT. The Otter Flip-AT retains the modern traditional look of its predecessor, but adds a flipper deployment, pocket clip, and choice of two different locks.

The Otter Flip-AT has the same 3-inch, spear point blade shape as the slipjoint version. Gone is the nail mark, however, and in its places we get the favored modern folder setup of a flipper tab and ceramic ball bearing pivot. The blade is once again made from Terravantium, the rustproof dendritic cobalt alloy that is the centerpiece of the Terrain 365 brand.

As was the case with the slipjoint Otter, there are G-10 and titanium scale options for the Otter Flip-AT. Users who opt for the G-10 Flip-AT get a titanium liner lock beneath the scales; those who go for the full ti model get a frame lock. Both models have all titanium hardware, come with a sculpted titanium pocket clip, and weigh 3.1 oz.

The G-10 version of the Otter Flip-AT, which is a liner lock

The original Otter released in January of 2020, and was a big hit for the company. “[It] is one of our bestselling models,” writes company founder Patrick Ma in a press release. With the popularity, of course, came requests for variants. “We had a number of requests that followed asking for a one-handed opening version, include a pocket clip.” The slipjoint Otter was a popular EDC, but Ma notes that the additions here expand its remit even further. “This folder is light weight, compact, easy and smooth to open with the flipper tab and ceramic bearings, and well suited for backpacking, fishing, packrafting, and any outdoor activities on and off the trail, and in or around water.”

The Otter Flip-AT is available now.

Knife in Featured Image: Otter Flip-AT Ti

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