Today's video shows how to use knit stitches one row with purl stitches on the next row to create a fabric with "V"'s on the front and "Bumps" on the back .https://youtu.be/gEsLL26fA2k
This video shows how to do the purl stitch. Once you can cast on, knit and purl, you know just about everything you need to know to make something.https://www.youtube.com/shorts/TcV_32kguo0
This is the easiest cast on to do. If other cast on methods are too intimidating, you can always start with this one, then move on to others as you bacome more confident with your knitting