Rnd 1. 6 sc in MR
Rnd 2. 6 inc (12)
Rnd 3. (1sc,inc)*6 (18)
Rnd 4. 18 sc (18)
Leave a cut.
Horn
Rnd 1. 6 sc in MR
Rnd 2. (1sc,inc)*3 (9)
Rnd 3. 9 sc
Rnd 4. (2sc,inc)*3 (12)
Rnd 5-7. 12 sc

Unicorn ears
Rnd 1. 6 sc in MR
Rnd 2. (1sc+inc)*3 (9)
Rnd 3. (2sc+inc)*3 (12)
Rnd 4. (Зsc+inc)*3 (15)
Rnd 5-6. 15 sc
Rnd 7. 7 dec, sc.
Fasten the thread, leave a piece for sewing.
Arms (Make 2)
Rnd 1. 6 sc in MR
Rnd 2. 6 inc (12)
Rnd 3-4. 12 sc
Rnd 5. 2 dec, 8 sc (10)
Rnd 6-14. 10 sc
Fill the arms in half.