Quick and Easy helmets

**From the website:** By changing weight of yarn and hook size, these instructions will make helmets to fit a range of head sizes: Newborn to 3 months -14 to 15 1/2" head- Sport weight (24 stitch) yarn with 3.50 mm hook. 3 months to 1 year -16 to 19" head- DK weight (22 stitch) yarn with 4.00 mm hook. 6 months to 3 years -18 to 21" head- Knitting Worsted (20 stitch) yarn with 5.00 mm hook. Use worsted weight yarn - 5 mm hook gives gauge for larger size (7 stitches to 2 inches) 4.5/4.75 mm hook will give gauge for the smaller size (4 stitches to 1 inch)