The Human Centipede 3

The Human Centipede 3 (Final Sequence) is a 2015 black comedy body horror film written and directed by Tom Six and starring Dieter Laser and Laurence R. Harvey, the leading actors from the first two films in new roles, Robert LaSardo, Tommy "Tiny" Lister, Jay Tavare, Eric Roberts, Bree Olson, Clayton Rohner, and Bill Hutchens as well as a cameo by Six. The film tells the story of a psychopathic prison warden and his accountant who create their own "human centipede" from the inmates. It is the conclusion to Six's The Human Centipede trilogy.

Synopsis from Wikipedia, CC BY-SA 4.0. Everything below written here.

Poster © the film's rights holders.