Round 1: Chain 3 (counts as dc), work 2 more dc into ring *ch 3, work 3 dc into ring. Repeat from * twice, ch3, then join with a slip stitch into 3rd chain of the beginning chain 3. Round 2: Sl st into next 2 sts. Ch 3 (counts as dc), work 2 more dc into ch 3 space, Ch 3, 3 dc into same space. *Ch 2, [3 dc, 3 ch, 3 dc] into ch 3 space. Repeat from * twice, ch2, join with a sl st into top of first ch 3. Round 3: Sl st into next 2 sts. Ch 3 (counts as dc), work 2 more dc into ch 3 space, Ch 3, 3 dc into same space *Chain 2, 3 dc in next ch 2 space, ch 2 [3 dc, ch 3, 3 dc] in next chain 3 space. Repeat from *twice, then ch 2, 3 dc into next ch 2 space. Ch 2 and join with a slip stitch into 3rd chain of beginning chain 3 - or join using invisible join as shown in the video.
Just a note - I like to only slip stitch in two stitches leading up to my chain 3 space whenever I start a new round and this is how the instructions are given here. One of my fellow crocheters also makes a slip stitch into the chain 3 space, and she tells me this is how many others do it as well. As you can see, my granny looks just fine the way I do it. Hers look just fine her way. You also should choose the way you prefer and what you think works best for you.
There are any number of variations in instructions for a Classic Granny Square. In this particular sample, I will be making mine with 3dc - 3ch - 3dc shells, or clusters. As you can see, this is also worked in two colors.
With Color A
Chain 4 and join with a slip stitch to form a ring
Round 1: Chain 3 (counts as dc), work 2 more dc into ring *ch 3, work 3 dc into ring. Repeat from * twice, then join with a slip stitch into 3rd chain of the beginning chain 3.
With Color B
Round 2: Join Color B by making a slip knot on hook, then place the hook into any chain 3 space from first round. Draw up a loop, yarn over and pull through both loops. Chain 2 more (counts as a dc), then work 2 dc in same space to make half corner. *Chain 2, [3 dc, 3 ch, 3 dc] into next chain 3 space. Repeat from * twice, then ch 2, 3 dc in same space as beginning half corner, ch 3 and join with slip stitch into 3rd chain of beginning chain 3.
With Color A
Round 3: Join color as above in Round 2, then make 2 more dc in same chain 3 space to make half corner. *Chain 2, 3 dc in next ch 2 space, ch 2 [3 dc, 3 ch, 3 dc] in next chain 3 space. Repeat from *twice, then ch 2, 3 dc into next chain 2 space, ch 2, 3 dc in same space as beginning half corner, ch 3 and join with a slip stitch into 3rd chain of beginning chain 3.
