Grandma Concha earns black belt in karateConcha Metz overcomes disability the Sho-Rei Ryu way at Okinawa Karate Dojo By Bill Armendariz biarmendariz @demingheadlight.com @demingheadlight on Twitter Posted: 01/21/2015 03:43:26 PM MST DEMING >> Ten years ago, Concha Metz lost her husband and was an active grandmother who sent her grandkids to the Okinawa Karate Dojo in Deming’s Industrial Park.