Guess I can add that as another reason I always carry a sharp knife on my belt. Started carrying one about 15 years ago when I woke up from dreaming my car was in a wreck and seat belt buckle got jammed. The one I carry is strictly for emergencies, so stays razor sharp.
Thus......now I can cut a hole in a collapsed tent, climb thru, get into my pickup, have a wreck, cut the seat belt and then walk home, sit on the patio with a cold drink, get out my Arkansas stone and touch up my blade.
Ahhhh...life is so frigging good in the obama nation.
: )
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Enjoy it while you can, right after Obama bans guns in his next term he will go after belt knives.