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<p>[QUOTE=&quot;Steersman, post: 123803, member: 239&quot;]<font face="Verdana"><font size="5">Check to see if any edges are ground.&nbsp; They&#039;ll feel slightly duller.&nbsp; One or more edges would have been ground so you didn&#039;t cutcherself.</font></font></p><p><font face="Verdana"><font size="5"><br /></font></font></p><p><font face="Verdana"><font size="5">Learning to knap does take some blood loss, but mainly in the hands and thighs.</font></font></p><p><font face="Verdana"><font size="5"><br /></font></font></p><p><font face="Verdana"><font size="5">With some materials, flake edges can be as sharp as a single molecule.&nbsp; Flint is about a 7 in hardness.&nbsp; It&#039;ll cut glass.</font></font>[/QUOTE]</p><p><br /></p>

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