How to knit a zig-zag lace pattern

In this DROPS vdieo we show how to knit a zig-zag lace pattern. This pretty and easy lace pattern is perfect to use for e.g. a scarf. We have chosen to show two repeats of the pattern in the width with 2 edge st at each side. To make it easier we already knitted one repeat in the height, beginning with the 1st row of the second repeat: 1st row (RS): Slip 1 st as to K, K1, * YO, P2 twisted together, K8 *, repeat *-*, finish off with K1, P1. 2nd row and all WS rows: Slip 1 st as to K, K1, P until the last 2 st, K1, P1. (rows 4, 6, 8 and 10 are fast forwarded in this video). 3rd row: Slip 1 st as to K, K1, * K1, YO, P2 twisted together, K5, K2 together, YO *, repeat *-*, and finish off with K1, P1. 5th row: Slip 1 st as to K, K1, * K2, YO, P2 twisted together, K3, K2 together, YO, K1 *, repeat *-*, and finish off with K1, P1. 7th row: Slip 1 st as to K, K1, * K3, YO, P2 twisted together, K1, K2 together, YO, K2 *, repeat *-*, and finish off with K1, P1. 9th row: Slip 1 st as to K,