Wearing a red 7-knot bracelet on the left wrist is a widespread spiritual and cultural symbol, whose meaning is deeply rooted in the Jewish mysticism of Kabbalah, but has also found popularity in many other cultures and esoteric practices.

Here’s what it means and why it’s often worn on the left hand:

The meaning of the red 7-knot bracelet
Protection from the evil eye (ayin hara): This is the primary and most well-known meaning. The red string, especially in combination with the seven knots, is believed to protect its wearer from envy, negative energy, and the “evil eye” (ayin hara) that might emanate from others. It is said to ward off negative vibes and attract positivity.
Seven knots: The seven knots often symbolize various aspects of spirituality or protection. In Kabbalah, the number seven is of great significance, as it symbolizes the seven spiritual dimensions or the seven days of creation. Each knot is said to bundle a specific form of protection or energy.

Color Red: Red is a color that symbolizes protection, passion, energy, and life in many cultures. In the context of the Kabbalah bracelet, it is believed to possess a powerful protective energy that wards off negativity.

Connection and Manifestation: The bracelet is also said to connect with guardian angels or higher spiritual energies and help the wearer manifest their desires and goals by removing negative obstacles.
Why on the left hand?
The choice of the left wrist is crucial and has specific symbolic meaning:

Receptive side of the body: In Kabbalah and many other esoteric teachings, the left side of the body is considered the receiving side. It is the side through which energy (both positive and negative) enters the body.
Protection from negative energy: When worn on the left hand, the red bracelet is said to act as a shield, intercepting negative energies and the evil eye and preventing them from penetrating the wearer’s spiritual and energetic field.
Positive Reception: At the same time, it is said to promote the ability to receive positive energies, blessings, and protection.

Origin and Popularity
Although the red bracelet’s roots lie in Kabbalah and ancient Jewish traditions (particularly through the story of Rachel’s tomb), it has gained worldwide popularity in recent decades, even among non-Jews and celebrities. It has become a universal symbol of good luck, protection, and spirituality.

In summary, the red 7-knot bracelet worn on the left wrist is considered a powerful amulet that protects its wearer from negative influences and directs positive energies into their life.