What does rama give to sugriva in order to tell him apart from is brother Bali?

Rama gives Sugriva a unique identification mark to help distinguish him from his brother, Bali. Specifically, Rama instructs Sugriva to wear a special garland of flowers, which will signify his allegiance and differentiate him from Bali during their encounter. This mark serves as a vital means of recognition, ensuring that Sugriva is not mistaken for his more powerful brother.