Although loop stitch is quite simple to make keeping tension can be tricky and requires practice.
Insert hook in the next st
Hook yarn from the back
Keeping tension on yarn pull up a loop
Still maintaining tension on the loop pull up a loop
Complete as SC/DC
And that’s it
As I said the trick is maintaining tension when you have a loop on your finger and are trying to make a SC/DC.
I have used this stitch in;