Before learning this technique, I would just pull the end tightly and weave it in. That leaves a little bump in edge of the crochet. This technique show you how to "fake" a crochet stitch to connect the last stitch to the first stitch of the row, which looks awesome.
Elephant Kids Amigurumi Backpack / Bag pattern by Peach. Unicorn
This is simply THE BEST Crochet Ruffle Scarf Pattern pattern that is out there!! This is a beginner level pattern written in US Crochet terms. Pattern includes an EXTENSIVE Photo tutorial with with tons of detailed instructions! Even if you have never worked with ruffle or mesh yarn, you will be able to do it with this pattern from The Perfect Knot.