Sarah Lucas's *Obsidiana* (2012) is a provocative sculptural work that embodies the artist's characteristic use of crude, everyday materials to explore themes of sexuality, mortality, and the human body. Lucas employs her signature raw aesthetic to construct a form that simultaneously evokes vulnerability and defiance, blurring boundaries between the abject and the humorous. The work reflects Lucas's ongoing interrogation of gender and desire, inviting viewers to confront uncomfortable associations with visceral directness.