apparatus for adapting an adult three - point seatbelt for securing a child , the seatbelt comprising a belt extending from above the shoulder to an anchor point connected to chassis of vehicle , and a clasp attached to the chassis on opposite side of an occupant of the seat , such that the belt may be drawn downwards and across the occupant to engage the clasp , thereby restraining the occupant with both sash and lap sections of the seatbelt , the apparatus comprising : a mat with side catches for engaging the lap section of the seatbelt and holding it down over the legs of the child , and a strap fixed to the mat and having a clip at a distal end thereof , for extending behind the child , and the clip for clippably engaging the belt extending from the drum , to bring the sash section of the belt down , over the shoulder of the child .