Thank you so much for all your advice! Here’s a little better picture of the loose skin I’d like to tighten. I don’t like how it creases over.

4 10

14 32

10 0

17 33

8 30

15 0

3 0

21 30

15 30

28 32

5 10

24 33

17 30

15 30

13 32

9 0