You can use any yarn and appropriate hook for that yarn.
Softer lighter yarns create more flow.
Easy to follow photo tutorial

I have added a full photo and written tutorial for the increases.

There needs to be 7 Triples on the side increases to get the right number of stitches.

I am adding Tutorials to my YouTube Channel
The first video is Rows 14, 15, 16 and 17,
the 2nd, 3rd, 4th and 5th increase rows

www.youtube.com/@KrissKrochet