In {TAIL ~ other words}, the lubricant decreases the coefficient of friction on all faces of the knife and will increase the knife life by significant percentages, but most importantly, the self sharpening effect will be enhanced because the friction on {HEAD ~ the upper surface} will be reduced to a significantly greater extent 
In { TAIL ~ other words } , the lubricant decreases the coefficient of friction on all faces of the knife and will increase the knife life by significant percentages , but most importantly , the self sharpening effect will be enhanced because the friction on { HEAD ~ the upper surface } will be reduced to a significantly greater extent
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