Coming Soon! Click the "Email Me When Available" button above to be notified when this item is in stock. ETA mid March. This Otter slip joint has a carbon fiber handle. The Terrain 365 Otter is a Barlow-esque slip joint knife with classic design, but modern materials. The blade is made of Terravantium, and it includes a shackle on the back for a lanyard if you like. Add a precision built slip joint to you collection with the Otter! Terravantium is not steel. It is a dendritic cobalt alloy. It is non-magnetic, cannot rust, and has superior edge retention to any steel. Note: Terravantium is more brittle than steel. If you chop, pry, or do other hard tasks with the knife, the blade may break.