Mindfulness is a powerful and effective skill to develop metacognitive awareness. It also functions as a form of exposure, as individuals are to nonjudgmentally observe their uncomfortable and distressing thoughts and feelings. This process reduces experiential avoidance and increases distress tolerance. Below are resources related to mindfulness that may help you and/or your clients.
Resources from Dr. Jon Kabat-Zinn
Guided Mindfulness Meditation Exercises with Dr. Jon Kabat-Zinn
Breathscape Guided Mindfulness Meditation (20 minutes)
Session on Mindfulness by Jon Kabat-Zinn
Resources from Dr. Christopher Germer
Mindfulness Meditation Videos (several guided meditations)
Resources from NewMindfulLife
Mindfulness Meditation Audio & Resources by Dr. Rochelle Calvert