07.19.13 San Diego: Hold On To Your Butts! By SFSDAdministrator Hold On To Your Butt Awareness Day is scheduled for Sunday, August 4th from 10am-2pm in Mission Beach at Belmont Park. Our annual Hold On To Your Butt Day is all about education and outreach focused on the adverse effects of cigarette butts (which are made of plastic) on our coastal and marine environments. We’re looking for volunteers to hold signs and hand out pocket ashtrays. Sign up here!