It offers guided dives for "avid diver, snorkeler or anything in-between". However, these devices hinder and prevent a snorkeler from free diving to any depth. As an avid sailor, rower and snorkeler, his passion for the oceans was established early. By creating an airspace, the mask enables the snorkeler to see clearly underwater. A snorkeler may surface underneath a vessel and/or be struck by it. Another method of catching prey was observed by a snorkeler in the Atabapo River.