Lazar the couple is very old tradition
This symbolic ritual is believed to have originated from the Aztecs dating back to the 14th or 15th century. The lazo ceremony (cord ceremony) as part of the ceremony symbolize unity is placed in a figure eight shape around the necks of the couple.
the symbolism of the lazo is to show the union and protection of marriage.
The loop is symbolic of their love, which should bind the couple toghter everyday.