A method and device for manipulating gastric tissue about a greater curvature of a stomach. The method includes the steps of creating at least one incision to gain access to the peritoneal cavity, and dissecting at least a portion of the greater omentum. Then the method includes accessing the exterior of the gastric tissue through the incision and folding at least a portion of the greater curvature of the stomach. The fold is constructed having serosa to serosa contact substantially along its entire length. The method further involves securing the fold with a flexible member wherein the flexible member comprises at least one tissue securing feature.