Moved to the Revisions section.
W
werter
: in general, you must ask the original creator for permission to modify existing mods, but since
T
The Liar
has not been active since 2011, this means that he cannot be contacted via this forum.
I therefore assume that his work can be modified without his permission.
Note that this cap will not fit most hairs, unless using
sby
's Loader add-on
headwearland.