*** WARNING ***.
Only works with a few kind of heads (I've tested with I have) and default Imvu old head. Works correctly with Rose-Supermodel head and derivations LINK, and a head & derivations by WiredBlacks LINK.
Please, let me know if you found any other kind of head compatible, to add it here. You will find this product at your inventory among female hairs.

*** Products in scene: LINK
*** Products in scene: LINK

You can use it with this male heads, too:
link
link2
link3