Here is a tutorial of one way you can make a slip knot on your crochet hook, and how to make a crochet chain. You will need some chunky yarn and crochet hook to practise. Here's a link to some of my patterns ...
by Scott Weaver
by doe het zelf ideeën - DIY Ideas -
by DCR SL
by Madhu The Knitter
by wendytung
by dnahoghunter
by Work With Nature - Organic