Scarf With Bobbles On Garter Background

Colorful knitting scarf with bobbles are placed in diagonal lines on a background of garter stitch

Used yarn in this scarf: 150g Bernat mosaic.
Needle size: 6.0mm ( I think 5.0mm will be better)

Instructions:
Make bobble:
1. Insert the right needle into the next stitch on the left needle.
2. Wrapping the yarn around two needles 7 times (or 8 times ... etc, if you want)
3. Knit stitch normally then bring new stitch out through these loops.

To make this pattern, cast on: 21 sts ( a multiple of 4 sts + 1 + edge sts).
Knit 4 rows.
Row 1( Right side): Knit.
Row 2: Knit 6, * make bobble, knit 3; repeat from * to last 3 sts, knit 3.
Row 3: Knit.
Row 4: Knit.
Row 5: Knit
Row 6: Knit 4, * make bobble, knit 3; repeat from * to last 5 sts, make bobble, knit 4.
Row 7. Knit
Row 8. Knit.
Repeat these  8 rows until desired length is reached, ending with a Row 2.
Knit 4 rows.
Bind off.