Board Thread:General Discussion/@comment-25926288-20180317113833/@comment-34998786-20180411130719

I think I've understood what the locks of hair are for.

I've seen again the first season pilot.

Dark curses need a lock of hair from the evilest witches...

Maybe in seventh season there will be another curse, and this could explain the titles of  the 21st and of the 22nd episode.