An arrangement for processing at least one optical fiber that includes a first processing element and a second processing element for processing at least one optical waveguide. The systems and methods may monitor electrical activity of a patient using external electrode apparatus to provide baseline electrical heterogeneity information and therapy electrical heterogeneity information. When one is ready to drink from the container, the hat is easily lifted off the rim of the container and replace between sips or drinks. A contact section is provided to contact the ground after the handgrip has been placed into the receiving section.