I may not be able to carry a knife legally in the big smoke, but when I go bush, or fishing, I carry a blade, as you never know when you may be forced to use it. Thankfully I have only needed to use mine for the basics that a fishing and hunting knife are for.
Australia may be a safer country than the African nations, but I have still experienced some hair raising moments that a knife may have helped me out.
1) I had just pitched a little two man synthetic tent on my mates farm in the cow paddock, and went for a chat around 50 yards away. Would you believe it, a mob of cattle decided to get all frisky and charged over the tent, which thankfully I was not in. If I had been in the tent, a knife may have assisted in dragging my crushed body out. I have also encountered drugged out idiots driving into camp in remote areas, So I have learnt to park my car in front of my tent for similar reasons.
2) I have had a couple of friends camping legally in the middle of huge outback properties, the nearest towns being over a 100 kilometres away, when out of the blue they have been assaulted by intruders going on walk-about, whom appeared to be attracted by the firelight of their camps. Thankfully my friends were not murdered, as it came pretty close. The local police cannot help you there, well not till the case gets reported.
Actually now that I think about it, I know a lot more instances, from other friends whom got out of a bad situation before it could worsen.
3) Encountering menacing packs of dogs while fishing remote streams, a friend thankfully escaped this issue. I have been also attacked by an aggressive German Sheppard and a Rottweiler as backup in suburbia whilst walking home from a bus stop after dark, thankfully a tree picket saved me, and I called there bluff. If it was a little old lady, or a child, they would have been severely mauled. A knife would have given me a little more support.
4) A friend and I were forcefully making our own track through thick rainforest country in order to obtain access to isolated fishing spots for Freshwater Blackfish. At one stage we decided to cross a huge slippery moss covered log over the creek. the log was old and about 4 feet thick around. After walking carefully to the middle of the log, the rotten wood beneath my right foot gave way, my right leg went fully inside the hollow log, all the way up to my groin, and I was unable to pull myself out. Thankfully my friend managed to awkwardly pull me out to safety. Usually I would hike these streams by myself, and a knife would have been useful to chip my way out, or I would never be found.
Besides all the above, I live in a really bad suburb, and you just never know when a break in will occur, so I always sleep with a hidden blade nearby as a comfort blanket. Purely to scare the criminals only. Bluffing them is a big factor in my area, anything else is intent, and even if a criminal uses a weapon on you, they are always released as defending themselves, but meanwhile the innocent victims are charged with murder as the knife was intentionally hidden for your defence.
That's why I purchased an electric cattle prod, I just gotta remember to buy some decent batteries, that will scare the crims off.
Regards
Rob