Yarn: Schachenmayr Catania. Colour: Wolke 0247. Buy the yarn here.
Crochet hook: US E (3.5mm)
Rnd 7: crochet in dc`s on top of dc`s, tr`s, dtr`s, and trtr`s; start in top of the two 1st dc´s * 2dc, ch3 * around. End with 1sl st with the first dc. Cut the yarn and pull the thread through the sl st. Change colour.