A grounding box is a little coping skills kit you can make. You can also make a portable version, maybe in a small bag, to carry with you. They're great for those times when you're feeling triggered and need a little distraction.
Recovery Girl shows how you can make a grounding box to help make it through those times when you're feeling triggered. For more information check out _Episode 4: You Gotta Have Cope_, at http://www.recoverydad.com/