User blog comment:Mckrongs/November 1, 2011 - New Famitsu MH3G Scans!/@comment-60.230.107.130-20111102003444

Here's the effect for the 3rd mask: ウチケシのお面：サインを出すと耐性ダウン、やられ状態を回復してくれる. saying that when hunters give a sign (meaning the ping), it can cure the hunter of any status/elemental effects (ie: water, ice, poison etc)