Thomas Linton said:Saw hafway through the thickness of a length of wood at its midpoint. Strike one end of the length of wood against a rock with the cut DOWN. The piece of wood will usually split lengthways becasue the saw cut is a stress-riser.
Knowledge and experience.
(Remember, I advocate something stouter than a Mora, but fair is fair.)
The are no guarantees in life, but Darwin favors the prepared. To regard tools as the only preparation could lead one to die. Not a single recognized survival expert says otherwise.
Example: How does one safely strike a standing small tree with a chopping tool?
A false dicotomy: small or none/large or none. There is no such forced choice in the real world.
Of course, debating what that one knife would be is good fun.![]()
Fun, that is, if one remains respectful.
LMAO

Great points Thomas but you are splitting hairs now like a pro, this thread morphed into a one blade choice.
For the record I will not saw down the length of any tree, my arms will hurt.
As for skill, my 6 year old chops down small trees regularly when we are out having fun, with a large blade I might add (albeit 2 handed). He is not strong enough to use a saw yet.
This will turn into a "If you had only one kid to take?" thread I can see it now.
Got to go for now I have a class to teach today.
Skam