Edwards hails Halfpenny impactThis video can not be playedTo play this video you need to enable JavaScript in your browser.Edwards hails Halfpenny impactCloseWales assistant manager Shaun Edwards hails the performance of Leigh Halfpenny in Wales' win over Samoa.Published19 September 2011SectionBBC SportSubsectionWelsh RugbySharecloseShare pageCopy linkAbout sharingRead description