Flat seam using a simple chain stitch by MyLittleCornerOfTheWorld
foundation chain crochet
Foundation Half Double Crochet Infographic
How To: Foundation Crochet
How to crochet in the round http://www.themakingspot.com/crochet/step-by-step/how-to-crochet-in-the-round?ns_campaign=tutorial_mchannel=pinterest_source=themakingspot_linkname=How-to-crochet-in-the-round_fee=0_day_of_post=Mon_time_of_post=16-17
Bolsas de Crochet Rafia Valentino
Catiele Crochê. Not that I could make this (I find crocheting tiresome) but I love how it looks and how the chain handles are incorporated into the design.