Some Native American tribes and/or nations also use Sweet Grass to bring in positive energy when sumdging. It can either be burned with the Sage or by itself after they Sage. Either way it is burned in the same recepticle as the Sage usually a shell of some kind.
Sumdging can be you to cleanse yourself and home. SOme SOlitary praticioners as well as covens use it to cleanse themselves before entering a sacred circle. It is laso used to cleanse the space they sacred circle will be made in.