After a few heated discussions, re-readings of the rules, and multiple rollings of the dice, we finally had to throw out the official ruling on Convenient Handles requiring immediate attachment to a big item when played.
thread here:
http://forums.sjgames.com/showthread...handles&page=2
...The final accepted argument came when a set of cabinet handles appeared on the playing table.
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We are still discussing a thief's use of convenient handles for munchkiny mischief.