The Pattern is written in english, but also available in german.
You need 2 needles in mentioned thickness, each approx. 20 cm long.
It is a pattern with elementary techniques, including short rows, but without special stitches after/before turning.
Everything is knitted in garter stitch or knitwise slipstitches.
The string ist made with a crochet needle.
The way to sew the work together is shown in the fotos. For that, a darning- needle would be ideal.
For variations of the pattern visit the Ravelry - site of ,,cottool,,: http://www.ravelry.com/patterns/library/segmented-babybooties