Watch Xusum (1975) : Full Movie Online Free Accompanied by a song in the Lil̓wat7úl language, we follow a woman as she makes gwùshum, a Líl̓wat dessert and a very special treat. From the harvesting of the xúsum (soapberries or salmonberries) to the construction of the corn-husk whisk, a dish is created that is equal measures mouthwatering and awe-inspiring.