Advanced skills. You need yarn (Marks & Katten Nelly or Online Linie 276 Sumaro or cotton yarn. Worsted, 10 ply, 9 wpi, or in cotton it corresponds with DK, 8 ply, 11 wpi. For a medium size with skirt over the knees you need approximately 600 gram, 1113,7 meters or 1218 yards), crochet hook (4mm/US G) and a satin ribbon. Crochet both in the round and back and forth. Written pattern. Four sizes: small, medium, large and x-large.