The RED STRING PROTECTIVE TOOL protects you from the powerful negative influences of the ?Evil Eye? - unfriendly stares and jealous glances from people around you. According to Kabbalah, envious stares and looks of ill will can stop you from realizing your full potential. Used for centuries by the kabbalists, the Red String is worn on the left wrist and absorbs the negativity transmitted by others' eyes. One spool.