User blog comment:Plexioth- xD/Monster Hunter 3 Ultimate/@comment-112.209.18.215-20130505065139/@comment-77.179.9.92-20130505110452

well the ingame description also says something like "lets you break parts faster" and that's ALWAYS been a matter of the part's durability. So I would say it's true. Never used the skill in MH3U by now, but in P3rd monsters flinched more often with that skill ;)