mob
    Login()
        vis_contents = list(
            new/obj/head,
            new/obj/body,
        )
        ..()
    proc
        ChangeHead(i)
            vis_contents[1].icon_state = "[i]"
        ChangeBody(i)
            vis_contents[2].icon_state = "[i]"

obj
    head{icon='head.dmi';icon_state="0"}
    body{icon='body.dmi';icon_state="0"}