Shaped loom?

Hi guys! I actually wrote about this on my blog. You can use a cardboard loom to achieve this, as well as several other weaving techniques. But cardboard looms are free, easy to make, and easy to use. https://homefarmhomestead.com/2023/05/10/how-to-weave-without-a-loom-7-loom-alternatives-and-options/