What is your favourite trap in Saw?

Out of all of the traps in all four of the Saw films, which one do you think is the best, and why? I, personally, I like the 'Twisting Limbs' trap in Saw III (the guy who killed Jeff's son is the one in the trap) because of the way the muscles rip... I also like the trap with the fat rapist (Ivan, I think his name is) in Saw IV, because of the way his eye gets destroyed and the way that his limbs are torn off! I sort of find the 'Liquidised Pigs' trap in Saw III really disgusting, and don't like it too much... So, what Saw traps do you love/hate and why?