Here is a link to my original "regular" granny square tutorial - ... And here is one showing the "join as you go" method for connecting granny squares - ...
by MACRAME MAGIC KNOTS
by Tejido Crochet
by MalonsShop
by BAG-O-DAY CROCHET & MORE
by Bronislava Slagle
by love crochet
by laboresangelika