Headband help

Hello, I am trying to recreate the headband in the first picture. I’m not sure if you can see the design but it has the purled diagonal lines ( not sure what the design is called) like in the second picture. I was wondering if anyone knew how I can knit those diagonal lines or if they know of the pattern to the headband. Any help would be so greatly appreciated.

Welcome to KH!
The second photo looks like a sampler of knitting increases. The sampler has a garter stitch border (knit every row) with the center sts in stockinette (alternate knit and purl rows). The diagonal lines are purl sts on the knit side of the stockinette. The increases create the diagonals. There must be decreases also to maintain the stitch count.

Thank you so much for the help. I will keep on trying to see if my knot turns out like that.