I too gather up slugs & snails. I've heard that it is the most effective option & I would agree. I find that a long thin bulb trowel is the best tool, which avoids the "touching" factor. I bottle mine up in a certain hot chocolate drink container as my wife is an addict, so over the year we accummulate sufficient for the slug season, and then add them to the refuse sack so they are atomised by the council incinerator. Gathering them has almost become obsessive, in seeing just how many can infest one's garden, so a tally of approx 1000 in both 2009 & 2010, hardly any in 2011, but have exceeded 1300 already this year.