The levator scapulae is supplied by the dorsal scapular artery. Movements of the scapula are brought about by the scapular muscles. In addition to scapular translation, the trapezius induces scapular rotation. The strengthening focuses on the rotator cuff and the upper back/scapular stabilizers. During the rehabilitation period, focus should be placed on rotator cuff and scapular strengthening. The sleeping posture is with the beak tucked under the scapular (shoulder) feathers. There is also a Confraternity of the Brown Scapular. For scapular winging not amenable to nerve repair, tendon transfer is an option. This concavity bends down towards the scapular widening. The scapular is a Marian habit or garment. Later the small Brown Scapular became popular with the laity as a sacramental. Any Catholic priest may invest a baptised Catholic with the Brown Scapular. Treatment for scapular instability may include surgery followed by physical therapy or occupational therapy. Anglicans who wish to wear the Brown Scapular are likewise invested by an Anglican priest. A nun's clothing included the tunic, the scapular and the head veil.