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					Originally Posted by  David R
					 
				 
				Same for a lot of "Martial Arts" eye catching displays to attract the punters, and something very different when faced with a real threat! 
			
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Another common fallacy is that they are 'Two-handed swords'. They are not.
The extra-long grips are to counterbalance the blade. There are a few instances when the addition of the off-hand on the pommel end can be used to add power to a strike, usually when the opponent is already down and the need to counter is less important than forcefully finishing the argument. There are a few that are SO long that they must be used two handed, more like a short pole-arm, but that is a bit unusual.