The whole motto is usually written ¡Detente bala, el Corazón de Jesús está conmigo!
The devotion is derived by the badges of the Sacred Heart promoted by 17th-century saint Margaret Mary Alacoque against epidemics.
Popular belief explains that Saint Margaret Mary Alacoque started the custom of wearing a small cloth emblem with the image of the Sacred Heart of Jesus as a symbol of devotion.
This symbol soon began to spread as a protection "amulet" against the epidemics that devastated Europe with the name of "Safeguard" initially and "stop" with the passage of time.
Tradition has it that the "Detente bala" were embroidered by hand by the wives, mothers or sisters of the combatants before they left for the war, in the hope that they would stop the bullets that threatened their lives and return them safe and sound to their homes.