Becoming an animal rights activist is not just a process of identity change and re-socialization but also implies, as this article suggests, a “re-engineering” of affective cognitive repertoires and processes of “sensibilization” in relation to nonhuman animals. Activists thereby develop their mental responsiveness and awareness and refine their embodied sensitivity and capacity for sensing. The article proposes a theoretical perspective for understanding these processes. Empirically, this article examines the development of affective dispositions informing activists’ subjectivity and embodied sensibilities. It looks (...) at the ways in which visceral, bodily, or affective responses are cultivated to reinforce activist commitments. First, the analysis identifies “micro-shocks” and “re-shocking” experiences as mechanisms for sustaining commitment. Second, “emphatic identification” and “embodied simulation” are highlighted as mechanisms for nurturing empathy towards animals. Finally, it identifies the role of “affective meat encounters” and the cultivation of disgust as mechanisms for nurturing sensibilities. The analysis is based on a case study of animal rights activists in Sweden. (shrink)