Join Yoga For First Responders for a morning all-levels yoga class at Peace Tree - Des Moines Branch. Beginners welcome! Free will donations and all YFFR merchandise sold will go to the non-profit organization, Yoga For First Responders. Yoga for First Responders (YFFR) has a mission of bringing yoga philosophy, through somatic and cognitive exercises, to practical applications for first responders around the country. Please bring your own mat if you have one, mats will be available for those who don't.