This habit is a simple but powerful gesture and prayer. True followers of Jesus comprehend the essence and intensity of the Sign of the Cross and pray it multiple times throughout their day. This prayer is an important part of our personal prayer and sacramental rites. To learn more about the Sign of the Cross and how to pray it, visit the following websites and/or watch the video below:
https://aleteia.org/cp1/2020/03/04/do-you-really-know-how-to-make-the-sign-of-the-cross/
https://aleteia.org/2017/04/05/why-do-catholics-make-the-sign-of-the-cross-before-praying/