the binding of two best friends that are dedicated to be there for each other, like a marriage.
you exchange vows and rings but it goes on your ring finger until you are married, then the ring goes on your other hand.
A~ "you know weve been friends for a long time"
B~"yes, we have"
A gets down on one knee and says
A~"i would be honored to take you hand in holy frarriage"
then A and B get frarried the next day