Video Tutorial

All stitches are bobble stitch separated by chain 1

Round 1: 6 stitches magic ring
Round 2: 1 increase around
Round 3: *1 stitch, 1 increase.* Repeat around
Round 4: *2 stitches, 1 increase.* Repeat around
Round 5: *3 stitches, 1 increase.* Repeat around
Round 6: *4 stitches, 1 increase.* Repeat around
Round 7: *5 stitches, 1 increase.* Repeat around
Round 8: *6 stitches, 1 increase.* Repeat around
Round 9: *7 stitches, 1 increase.* Repeat around
Round 10: *8 stitches, 1 increase.* Repeat around
Continue increaseng to have the space in the back to the armholes
Armholes
Round 11: 9 stitches, 1 increase. Stitches to arrive at the other increase, 9 stitches, 1 increase. Stitches to arrive at the next increase, repeat 3 times 9 stitches, 1 increase

After the armholes continue increasing to have the size needed
Round 12: *10 stitches, 1 increase.* Repeat around (2 of the repetitions on the chains space of the previous round)
Round 13: *11 stitches, 1 increase.* Repeat around
Round 14: *12 stitches, 1 increase.* Repeat around