for preparation for taking tests or examsfor taking a breath and forcing your worries away for a second
for public speaking, or when you just want to speak up for oncefor keeping your mind clear and void of anything you don't wantright what it says on the tin: for safe travels (physical or astral)
for sleeping without interruption by others or by nightmaresfor centering before and/or after spells or for stopping dissociationfor when you feel like you're getting sick but you're not quite there yet
for working well when you're pressed for time and still making something nicefor when you actually have gotten sick but can't afford a long recovery time