In reply to mockerkin:
Time for the good old never did me any harm point of view.
I would have been about 7 or 8 when I was given my first knife by a family friend, it was a folding knife with a blade that was maybe 1.5 to 2 inch.
I had it for years and used it for making Spears so that we could big game hunt on the rough ground, once we found a dumped tarp on the ground (the rough ground was about 1/4 mile square half open and half covered in trees with a few bomb holes, it backed on to our houses and was everything possible to a bunch of young lads).
With the aid of our pen knifes, some found string and some tree branches it made a few tents and dens.
Not one of us were ever stabbed though we did shoot home made arrows from home made bows at each other but I suspect short of point blank to the eye they were so weak no damage was ever done.