Old people have long said: "If barley pops up on your eye, if you suddenly feel a headache - tie a red string or thread on your hand." However, not only a thread was considered to be a charm: according to popular beliefs, if a person (whether it’s an adult or a child) goes to a place where there is a large bunch of people, you need to put on some red thing - “from the evil eye”. Thus, not so much a thing possessed magical power as color. Whether they are right or not - let's figure it out!
What will wool thread protect from?
The advice of our great-grandmothers has a completely fair explanation. Red
color is the energy of blood, life, the energy of the sun, internal movement. And the red thread on the left hand becomes a talisman that can protect the
human biofield from extraneous invasion, negative influence, the evil eye. It is important that the thread be woolen or silk, i.e. from natural raw materials. It is as if the forces of nature are concentrated in it, which influence us positively and become our powerful guardians. Now it’s clear why the red thread is so useful. On the left hand, it is tied because the left side is connected to the heart, our most important organ that pumps blood throughout the body. The heart will stop - life will be interrupted. That's right, if the thread is tied not just on the wrist, but in the place where the pulse is felt. The pulsating blood is charged from the string with positive impulses, they are carried throughout the body, and a person, like a shield, becomes comprehensively surrounded by an invisible shell - an energy field. With such protection, we are not afraid of the evil eye, envious and evil whispers after, slander. Yes, and in the ancient teachings of Kabbalah it is said that the red thread on the left hand should dissipate the forms of negative energy directed at its carrier.
Double protection
This amulet has an interesting property. On the one hand, he guards against envious "black" looks. And on the other hand, to the one who wears it, he does not fall into bitterness, to desire the property of his neighbor, to envy anyone. Thus, it turns out that the red thread on the left hand is a powerful tool of protection, physical and spiritual. The very tradition of using thread is associated with the veneration of the foremother of Rachel (Rachel). She was a holy righteous person, and the graves of such God-marked people are like portals to another dimension with a positive energy charge. Therefore, there is a rule: tighten the grave with such a thread, charge it with energy emanating from the place, cut it into pieces and wear it. The image of this woman is associated with the protection of all mankind. And a piece of red fabric is like a bridge, a connecting link between her and us. This is what the red thread on the hand means , this is what function it performs. The followers of Kabbalah are sure that in this way a simple person can receive constant support from otherworldly forces. Make sure that the red thread is correctly tied - seven knots - and not torn.

Basic Rules
The tying process is also not quite an ordinary ritual. It requires focus, meaningfulness and a certain emotional attitude. It’s inconvenient to knit yourself - let your loved one do it at your request. But you have to do something else: promise yourself that you will not succumb to negative thoughts, think badly of yourself or someone else. This is important, because a bad mood will prevent you from feeling positive impulses and letting them in. Kabbalists also advise reading a few special prayers, but you can limit yourself to “Our Father”.