I joke .... this product is intended to combat the zombies rising from the grave. In Russia there is a whole tradition of the fight against the rebels dead, who are interested I suggest reading the book of ethnographer connoisseur of folk traditions, dedicated to wandering dead.
https://www.youtube.com/watch?v=q9aflk1RMdA
It was thought that comes to life and leprosy unclean spirits on Kupala night; you need to beware of "mischief undead - brownies, water, sprites, mermaids"
To witches are not "selected" in cows milk, Russian sanctified willow stuck on pastures and Ukraine host aspen pegs stuck in the yard. With the same purpose in Polesie hanged in a shed at the gate of nettles, torn pants or men's mirror. In Belarus, with the help of aspen branches and stakes defended not only cattle, but also the crops, "cab vedzmi adnyali not dispute." To protect against evil forces made was also to stick sharp and pointed objects on the table, windows, doors and so on. N. In the eastern Slavs at the entrance to the witch house and so on. N. From the bottom in the table stuck a knife to prevent her from leaving the house. In the southern Slavs believed that if a knife or branches of hawthorn, to thrust in the door, it will save from a vampire or pestilences [clarify]. In Kupala night the Eastern Slavs in the windows and doors of houses and sheds stuck outside the spit, forks, knives, and certain branches of trees, protecting "their" space from the penetration of evil forces.
It was believed that in order to protect themselves from the attacks of witches, should be put on the doorstep and on the windowsills nettles. Ukrainian girl necessarily tore wormwood, because they believed that it feared witches and mermaids.
This wootz - Ivan Kirpichev.
https://www.youtube.com/watch?v=VqJVvFm54Dg