Make a slip knot and place it on your hook
Chain 4
Join the chain with a slip stitch to form a ring
Chain 3
Work 2 double crochets into the ring
Chain 2
Work 3 double crochets into the ring
Chain 2
Repeat 3 double crochets, chain 2 two more times
Join with a slip stitch to the top of the starting chain 3
Slip stitch into the next chain-2 space
Chain 3
Work 2 double crochets into the same space
Chain 2
Work 3 double crochets into the same space
In each remaining chain-2 space, work 3 double crochets, chain 2, 3 double crochets
Join with a slip stitch to the top of the starting chain 3
Continue adding rounds the same way
At each corner, work 3 double crochets, chain 2, 3 double crochets
At each side space, work 3 double crochets
Fasten off and weave in ends