https://www.titleist.com/teamtitleist/team-titleist/f/golf-clubs/16384/906f2-conforming The new rules relating to groove volume don&amp;#39;t just apply to lofts over 24 according to USGA so is the 906f2 conforming? I would almost assume it isn&amp;#39;t since it came out well before the rule change but Rory still has it in his bag? Maybe Titleist madeen-USTelligent Community 10https://www.titleist.com/teamtitleist/thread/74206?ContentTypeID=1Wed, 18 Apr 2012 19:55:18 GMT9ab519fc-5311-4952-85cd-0a0ceffb73fb:185e468a-d13c-4e26-8512-dcfca2957980Cath D.<p>The USGA groove rule pertains to clubs &nbsp;equal to or more than 25&deg; which doesn&#39;t affect Rory&#39;s fairway. &nbsp;Here is a link to the USGA &nbsp;-http://www.usga.org/news/2011/February/Groove-Rules-Extended/</p><div style="clear:both;"></div>