Using this method of creation will make the non-mod users see the default clown mask, hwoever. if another user has this mask installed. they will see you wearing it.
Place in the "mod_overrides" folder to activate.
update 1.1:
updated to be more user friendly and easy to understand.
update 1.2:
added tag to switch between mask, helmet, beard, glasses etc.
update 1.3:
updated to be more user friendly and easy to understand.