<html xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns="http://www.w3.org/TR/REC-html40"> <head> <meta http-equiv=Content-Type content="text/html; charset=us-ascii"> <meta name=Generator content="Microsoft Word 11 (filtered medium)"> <style>  </style> </head> <body lang=EN-US link=blue vlink=purple> <div class=Section1> <p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt; font-family:Arial'>Of course this company is going to try to sell you on there product.  The fact is, and I have read most of the input of the WNG shanks, the rotational strength is quite strong on carbon shank.  Side by side I have compared a carbon shank and a wooden shank, rotating each and I cannot feel any more strength in either one.  Has anyone out there intentionally broken a carbon fiber shank by twisting the hammer until it breaks?  It is amazing how far it goes until it breaks.  The vertical strength is the most important direction and the other important facts about the CF shank is that it is consistency in strength which make voicing much easier, never warps as in wood, stiffer that any wood shanks producing more volume, very little whip so it doesn’t “scrub” the string creating better tone quality and longer sustain.  The biggest problem I have seen is the clamping method is when cutting the shanks.  The “clamping” pressure is more dangerous than the twisting and I found that by using a softer rubber material in the surface of the clamps will isolate the movement of the shanks with very little pressure on the clamp.  I used some self adhesive door insulating material which forms around the shanks very nicely.  Hope this is helpful.<o:p></o:p></span></font></p> </div> </body> </html>