Techniques including basic brioche related stitches, the result is reversible.

knit- K
purl- P
Yarn in front- YF
Yarn over-Yo
Slip 1 yarn over-sl1yo

Knit the stitch that was slipped in the previous row together with its yarn over -b rk

Purl the stitch that was slipped in the previous row together with its yarn over-brp

Brioche 2 stitches Increase- brkyobrk

Brioche 2 stitches Right Slant decrease -brRsl dec

Brioche 2 stitches left Slant decrease- brLsl dec

Slip 2 stitches to right needle, knit next stitch on left needle, pass two slipped stitches over the last knitted stitch - Sl2 k psso