Position:

Easy Pose.  Palms overhead, palm down about 4-6 inches above the crown

Mudra:

People who identify as female place the left palm over right.  People who identify as male place the right palm over left.

Drishti:

eyes 1/10 open.  Looking towards upper lip

Mantra:

Whisper Wahe guru. Guru is practically inaudible.  Over annunciate each sound.

Duration:

11-31 minutes.  Build up gradually.

This is also, a very powerful practice. Brosa is trust.  Trust is the basis for any relationship.  This practice builds your trust in the universe.  Brosa kriya builds and strengthens the aura from the 4th chakra upwards.