Author Jen Murphy is a writer, editor, and yogi in Boulder, Colorado. Model Steph Schwartz is a yoga teacher in Boulder, Colorado, who discovered Ashtanga Yoga in 1999 while training for ultramarathons. Schwartz believes the use of props in class empowers students. “Props can help students support the breath, build confidence, and evolve their edge,” she says. Learn more at mandalamonkey.com.