Video Tutorial

Round 1: 6 single crochet magic ring (6 stitches)
Round 2: *1 single crochet, 1 increase* Repeat around (9 stitches)
Round 3: 1 single crochet around (9 stitches)
Round 4: *2 single crochet, 1 increase* Repeat around (12 stitches)
Round 5: 1 single crochet around (12 stitches)
Round 6: *3 single crochet, 1 increase* Repeat around (15 stitches)
Round 7: 1 single crochet around (15 stitches)
Round 8: *4 single crochet, 1 increase* Repeat around (18 stitches)
Round 9: 1 single crochet around (18 stitches)
Round 10: *5 single crochet, 1 increase* Repeat around (21 stitches)
Round 11: 1 single crochet around (21 stitches)
Round 12: *6 single crochet, 1 increase* Repeat around (24 stitches)
Round 13: 1 single crochet around (24 stitches)
Round 14: *7 single crochet, 1 increase* Repeat around (27 stitches)
Round 15: 1 single crochet around (27 stitches)
Round 16: *8 single crochet, 1 increase* Repeat around (30 stitches)
Round 17: 1 single crochet around (30 stitches)
Round 18: *9 single crochet, 1 increase* Repeat around (33 stitches)
Round 19: 1 single crochet around (33 stitches)
Round 20: *10 single crochet, 1 increase* Repeat around (36 stitches)
Round 21: 1 single crochet around (36 stitches)

Continue increasing to have the circumference of the head

Contour

Round 1: *4 single crochet, 1 increase* Repeat around 
Round 2: *5 single crochet, 1 increase* Repeat around
Round 3: *6 single crochet, 1 increase* Repeat around
Round 4: *7 single crochet, 1 increase* Repeat around

Continue increase to hace the size wanted

Fasten off