and do you cut the claws off before boiling or do that after?

Here's a link to the exact recipe I follow:

http://www.elise.com/recipes/archives/007133how_to_make_stock_from_chicken_feet.php

It's tells all about how to clean them, etc.

When I'm done I put some stock in a container in the fridge to use for the week, and the rest I freeze in ice cube trays to make soup or add to pasta sauce, stir fry, etc.