Watch Online Free on Watchseries. Keratin is a collaboration with the London Sinfionetta, visually responding to Gavin Higgins' Seven Welsh Folk Songs: I. Dacw 'Nghariad i. The film tells the journey of a mating of elements, two bodies grieve over a lost third: a child separated from their womb. The three bodies bound by their keratin, regain connection in a wombic journey which spiritually networks the three into a fused collective body.