To provide a passenger protective device and method that can achieve a stable protective performance even when deploying the airbag from the seat belt, thus allowing for appropriate restraint of the passenger’s head. Outside the diffusion chamber, the gas generator includes an obturator having a second actuator. One or more of the timeline objects reference a respective one of a plurality of media. Therefore, frequent handoffs are prevented and the load of the mobile station is reduced because there is no need to compute a SCH reference threshold at every handoff request. The bismuth-based additive consists of at least one of inorganic bismuth and organic bismuth not containing a sulfur component. When molded from a blend of a thermoplastic polymer and a nanoclay, belt modules are useful in heat-resistant applications without sacrificing beam stiffness.