These Handmade Buddhist Knots Lucky Bracelets are made of Tibetan rope and all the knots of it were tied while reciting mantras, that's why they're so powerful.
Tibetan Buddhist recite and chant six-syllabe prayer mantra OM MANI PADME HUM (Hail the Jewel in the Lotus) which is pure essence of all Dharma. It brings blessings of protection, love and purifies all negative karma bringing you closer to enlightenment.
Generally, the string bracelet (especially Red String Bracelet) is worn by practitioners of 4 different faiths: Hinduism, Kabbalah, Buddhism and Christianity.
In energy work, this bracelet can become a talisman and get charged with energies that are to protect the wearer.
It is believed that the left side of the body is the receiving side, so wearing it on the left side allows the receiving of good fortunes and luck to come to you.