The ornamental design for an outdoorknife, as shown and described.
1. Outdoor knife
1.1 : Perspective
1.2 : Perspective
1.3 : Bottom
1.4 : Right
1.5 : Top
1.6 : Front
1.7 : Back
The design is an outdoor knife shown in the drawings from seven views; fig. 1.1 is a perspective view of the design; fig. 1.2 is a perspective view of the design; fig. 1.3 is a bottom view of the design; fig. 1.4 is a right side view of the design; fig. 1.5 is a top view of the design; fig. 1.6 is a front view of the design; fig. 1.7 is a back view of the design.