Forum:Double tool C&D destroy effect

double tool C&D 's ruling says "If, during your opponent's turn, the opponent's monster attacks your monster equipped with "Double Tool C&D," and is destroyed by battle, the effect of “Double Tool C&D” that would destroy that monster does not activate.[1]" does it refer to my monsterr equipped or to my opponent monster? i mean, who is the one destroyed that make the effect not activate?--190.191.177.10 (talk) 00:30, November 19, 2010 (UTC)