Abstract: A method of using a vehicle restraint device, including a vehicle safety belt having an adjustable safety belt connected to a vehicle seat such that a first end of the safety belt is connected to a seat belt anchor and a second end of the safety belt is connected to an upper seat portion, a strap extension having a lower attachment device connected to a first end of the extension such that the lower attachment device is located between the seat belt anchor and a hip area of the end user and an upper attachment device is connected to a second end of the extension, wherein the lower and upper attachment devices are located on the extension in an orientation that is substantially parallel to the safety belt and the lower attachment device and the upper attachment device allow the extension to be removed from the safety belt.

Abstract: Device cooperating with a vehicle safety belt, designed for passenger transport, especially children consists of a tensioning belt (1) fixed releasably between the shoulder part (2) and the lap part (3) of the fastened safety belt. Tensioning belt is equipped with the length and tension controller (R) and has tunnels (9) on both ends formed by the rolled up and fixed ends of the belt. In the tunnels (9) there are arms of the snap fasteners (4) fixed to the fastened safety belt. Controller (R) includes a staple (7) fixing the length of the tensioning belt (1) and a staple (8) blocking its position, and the tensioning belt (1) is composed of a fragment (1?) connected permanently with the fixing staple and a fragment (1?) connected slidingly with the fixing staple (7) and the staple (8) blocking the position of the belt (1).

Abstract: A method of using a vehicle restraint device, including a vehicle safety belt having an adjustable safety belt connected to a vehicle seat such that a first end of the safety belt is connected to a seat belt anchor and a second end of the safety belt is connected to an upper seat portion, a strap extension having a lower attachment device connected to a first end of the extension such that the lower attachment device is located between the seat belt anchor and a hip area of the end user and an upper attachment device is connected to a second end of the extension, wherein the lower and upper attachment devices are located on the extension in an orientation that is substantially parallel to the safety belt and the lower attachment device and the upper attachment device allow the extension to be removed from the safety belt.