This thesis firstly introduces the normative approach to power and Coercion on the landing selectively addressing the literatures of prison sociology, and policing . Then it presents the interactionist approach adopted. In the substantive part of the thesis it will outline the \u2018organization of the use-of-force in practice\u2019. Chapter 5 focuses on what officers do when they routinely patrol the wing, either in calm and boring situations or during more violent situations that may or may not lead to the start of what is here called and reconstructed as the \u2018Cycle of doing coercion\u2019 (that I also call the\u2019 Cycle of the use-of-force and violence\u2019 or simply \u2018the Cycle\u2019). Both Chapter 6 and 7 will instead focus on the emergency squad intervention on the wing. Lastly,Chapter 8 is methodologically oriented and deals selectively only with few relevant methodological and ethical issues that have emerged doing this particular ethnography in a custodila complex in Italy