First Person View With Posable Arms?

How do I have a ragdoll’s arm in first person view? Do I get an add-on, or is it just taking a picture while I’m in the ragdoll? If you don’t understand what I mean, here’s what I mean:

How do I get the arms like that?

Just pose the ragdoll and noclip in the position where his head is?

I did that but I saw part arms still there. But I guess I’ll consider doing that if more people agrees.

You can easily make a ragdoll spectator by using the ragdoll’s EyePos