The small metal duck on the hood contrasts with Mike's aggressive cars. Its visual kinship with Convoy introduces a road-movie reference into the decoration itself.
A metal duck, not a rubber toy
The phrase "rubber duck" can create the wrong image of the object that appears in Death Proof. It is a metal duck-shaped ornament mounted on the hood. The name Rubber Duck refers to the identity of the trucker played by Kris Kristofferson in Convoy, the film directed by Sam Peckinpah and released in 1978, and to the ornament associated with his truck.
The visual resemblance makes the nod recognizable without turning it into a story about the object’s material origin. It is not enough for two objects to share a design to say that the production used exactly the same piece. A replica, a recreation, and an original accessory are different things. Without documentation about the specific object, the description should stay at the level of the recognizable reference.
The ornament stands out because it introduces an almost comic figure on vehicles the film presents as threatening. That mix fits the way Mike combines occasional charm, professional nostalgia, and aggression. The detail does not necessarily soften his presence: it can make it stranger by interrupting decoration that would otherwise be more uniformly sinister.
Road movie cinema turned into decoration
Convoy belongs to a tradition in which vehicles and the identity of their drivers are closely linked. A nickname, a radio, or an ornament can function as a sign of belonging to a road world. Death Proof draws on that possibility of characterization through an object the character carries with him and that others can recognize.
The nod does not require Mike and Rubber Duck to be moral equivalents. Sharing a reference does not turn the killer in Death Proof into a continuation of the protagonist of Convoy. It also does not establish a literal connection between the stories. The film can borrow an admired image and place it in a context where its meaning feels awkward or ironic.
The small size of the object also matters. It does not dominate the entire action or force the story to stop in order to explain it. A viewer who knows Convoy can add that association; another can simply recognize a feature of the car. The basic functioning of the chase does not depend on passing a test of film references.
A steady detail within the motion
The decoration helps identify Mike's vehicles as part of a single visual identity. During the final chase, the main interest lies in the relationship between the cars and the bodies. The ornament is secondary to that action, even if its presence preserves the link to a very specific automotive and cinematic taste.
It is not necessary to assign it a technical function to explain its place in the film. The duck does not prove that the car has special preparation, nor does it justify the driver's supposed invulnerability. It is a characterization object, while the danger depends on the use of the car and the position of the people taking part in the scene.
The most accurate reading keeps that scope. The detail connects Mike's decoration with a recognizable image from Convoy and with the culture of road movies. The manufacture of the accessory, the number of replicas, or its fate after filming require specific sources. Adding them without documentation would turn a visible nod into an invented collector's story.
More context in the Death Proof guide.