This does have a scabbard with a thin slice of turtle on the outside.  I have shown it in the past.  
 
 I have the tombak set up like this, in the opening of a pot.  It has been like this for about 4 hours, I think something is happening I can smell it.  Every now and again I move the blade in and out of the lemon to keep the juice wet.  How long should I keep this up, days?
		 
		
		
		
			
		
		
		
		
		
		
		
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