man i remember when i was a teenager i used to carry a knife... well actually it was a meat cleaver... and was only carried to keep us OUT of trouble... pretty stupid when i think about it now... BUT it did stop a group of about 30 people bashing me, a couple of mates and a chick i picked up so i guess it wasnt all in vein. (was about 16yo at the time). Only thing i used it on was trees lol
still... very stupid.
you know what they should do... relax the gun laws so we can be like america and all carry guns! That will counter act all those dangerous knives on the streets! problem solved!!!