Unique character is to fold arrow pleated, surely vertical look!

Technique
Knit
Purl
Knit front and back
Purl front and back
Knit 3 together
Purl 3 together
Drop 1 sts.

I welcome everyone to share your comments and knitting work image under this project.

Perhaps it is nicer to use merino yarn, I will try it in the winter season, and share it under this project.