The 9th episode of RIO's "How To" series, shows RIO ambassador Rob Parkins explaining how to fish a large terrestrial from a drift boat. Rob's top tips and great information reveal how easy and effective these big flies are in the heat of summer. RIO's "How To" videos are a series of short films that explain all you need to know to learn a particular way to fish, or cast. Where applicable, each film talks through the gear that you need, shows how to rig the gear, how to read the water, and how to fish that particular technique. These invaluable lessons for the fly fisher are packed with information and top tips, and each one is bought to you by a RIO employee or a RIO brand ambassador.