Check this guy out - how to make Wolverine claws - http://www.gizmodo.com/gadgets/gadgets/how-to-make-working-wolverine-claws-without-surgery-204297.php
read the make 'zine blog, eh? I saw this last year. pretty awesome. although I think he should have covered the mechanism with some fake skin or something.
duh. you read the gizmodo blog. whoops. it was on makezine as well.
needs more action shots!