How to get the look of flat wrap / closed off curls using a flat iron?

I want my curls to look a certain way; see photos. I switched from a curling clamp to a flat iron to achieve this effect on my curls. Didn't work out. I am struggling to get my curls to look the way that I want them to I don't want my curls to look ropey/stringy. The way they would look when you