Recently for my friend I bought a chinook 2, this is really
a comfortable knife. Unfortunately they do not produce
more (#2). A few weeks ago there was version #4,
it has an interesting lock.

I searched #2 and found the same myself,
it was slightly used, but the condition is good.

While I tested this on a branch of elm-tree (~3.3" diameter),
he cut and did not blunted. Another thing, this is my hand
- the handle is too narrow and thumb notches on the spine
is very sharp + razor concave bevels, it's not for a tree.
I took with me a sprig of elm, he has pleasant taste
of wood, slightly sweet. If only Spyderco made a convex
bevels on Chinook, it would be a killer of trees,
like Roselli or Bark River.
But the knife works very well on the meat