Video Tutorial

Round 1: 6 single crochet magic ring (6 stitches)
Round 2: 1 increase around (12 stitches)
Round 3: *1 single crochet, 1 increase* Repeat around (18 stitches)
Round 4: *2 single crochet, 1 increase* Repeat around (24 stitches)
Round 5: *3 single crochet, 1 increase* Repeat around (30 stitches)
Round 6: *4 single crochet, 1 increase* Repeat around (36 stitches)
Round 7-12: 1 single crochet around (36 stitches)
Round 13: *4 single crochet, 1 decrease* Repeat around (30 stitches)
Round 14: 1 single crochet around (30 stitches)
Round 15: *3 single crochet, 1 decrease* Repeat around (24 stitches)
Round 16: 1 single crochet around (24 stitches)
Round 17: *2 single crochet, 1 decrease* Repeat around (18 stitches)
Round 18: *1 single crochet, 1 decrease* Repeat around (12 stitches)
Stuff
Round 19: 6 decreases (6 stitches)
Fasten off