When Bodie breaks into Hamilton's flat he wraps his handkerchief round his left hand. This comes off as he smashes the window with his gun and he grabs it with his right hand. In the next shot the handkerchief is tightly wrapped around his left hand again.
When the CI5 agents are in Mickey's flat, Doyle is sitting on the sofa and a wooden box appears on and disappears from his knees between shots.