Using Fey Law as a heavy-handed metaphor for corporate IP copyright
Saying their name will draw their attention.
Using their likeness will spark their ire.
Encroachment upon their domain will earn punishment beyond earthly tithe.
The consequences of their regard may be intangible and long-lasting.
Rarely, you may earn their approval, but it is not worth the risk.
You must ask their permission, which is rarely granted.
Once they have you, they will not let you go for a hundred years.
You must be clever and use trickery and wordplay to evade them.
The master of each domain has their own unique and fickle nature, and some are more forgiving than others.
One must use titles and euphemisms to discuss them without their notice- IE, "The Rat", "The Bird Website"
Starting a mass movement to refer to specific Tylwyth Teg by name until they lose their power and become common household standards like Kleenex and Velcro
Spreading legend of The Rodent In Red Pants Who Walks Upright On Hind Legs Like a Man and if you sully his Good and kindly Name then great misfortune will befall you and you will never be heard from again
