Devotional scapulars are objects of popular piety, primarily worn by Roman Catholics, as well as some Anglicans and Lutherans, designed to show the wearer's pledge to a confraternity, a saint, or a way of life, as well as reminding the wearer of that promise.

Why do Catholics wear brown scapulars?

According to the Vatican's Congregation for Divine Worship, the Brown Scapular is "an external sign of the filial relationship established between the Blessed Virgin Mary, Mother and Queen of Mount Carmel, and the faithful who entrust themselves totally to her protection, who have recourse to her maternal intercession, ...

What is the importance of a scapular?

The scapula stabilizes the arm and neck

The scapula plays an important role in stabilizing the other bones involved in the rhythm of shoulder motion. Many muscles are located in the area of the shoulder girdle, including rotator cuff muscles, nerve networks such as the brachial plexus, and upper arm muscles.