A knee airbag assembly comprising: a housing (190, 290, 390, 490, 590) elongated in a longitudinal direction such that a longitudinal axis of the housing extends between a first end and a second end of the housing (190, 290, 390, 490, 590), an inflator (180, 580) coupled to the housing (190, 290, 390, 490, 590), an inflatable airbag cushion (110, 210, 310, 410, 510) that is coupled to the housing (190, 290, 390, 490, 590) via the inflators (180, 580) such that a portion of the airbag (110, 210, 310, 410, 510) is held between the housing (190, 290, 390, 490, 590) and the inflator (180, 580); and a stabilizer strap (170, 270, 370, 470, 570) that is coupled to a portion of the inflatable airbag cushion (110, 210, 310, 410, 510). characterized in that the housing comprises a stabilizer opening (192, 292, 392, 492, 592) through the housing (190, 290, 390, 490, 590), wherein the stabilizer opening (192, 292, 392, 492, 592) is closer to the first end of the housing than it is to the second end, wherein the stabilizer strap (170, 270, 370, 470, 570) extends through the stabilizer opening of the housing to an exterior of the housing which fixes the stabilizer strap (170, 270, 370, 470, 570) relative to the housing and/or retains a portion of the stabilizer strap (170. 270, 370, 470, 570) at an exterior of the housing (190, 290, 390, 490, 590) during deployment of the airbag cushion (110, 210, 310, 410, 510), the inflator (180, 580) is coupled to the housing (190, 290, 390, 490, 590) at a position that is closer to the second end of the housing than is the stabilizer opening (192, 292, 392, 492, 592); wherein the stabilizer strap (170, 270, 370, 470, 570) is configured to prevent the portion of the inflatable airbag cushion that is coupled to the stabilizer strap from rotating about the position at which the inflator is coupled to the housing so as to inhibit skewing of the inflatable airbag cushion during full deployment thereof. a housing (190, 290, 390, 490, 590) elongated in a longitudinal direction such that a longitudinal axis of the housing extends between a first end and a second end of the housing (190, 290, 390, 490, 590), an inflator (180, 580) coupled to the housing (190, 290, 390, 490, 590), an inflatable airbag cushion (110, 210, 310, 410, 510) that is coupled to the housing (190, 290, 390, 490, 590) via the inflators (180, 580) such that a portion of the airbag (110, 210, 310, 410, 510) is held between the housing (190, 290, 390, 490, 590) and the inflator (180, 580); and a stabilizer strap (170, 270, 370, 470, 570) that is coupled to a portion of the inflatable airbag cushion (110, 210, 310, 410, 510). characterized in that the housing comprises a stabilizer opening (192, 292, 392, 492, 592) through the housing (190, 290, 390, 490, 590), wherein the stabilizer opening (192, 292, 392, 492, 592) is closer to the first end of the housing than it is to the second end, wherein the stabilizer strap (170, 270, 370, 470, 570) extends through the stabilizer opening of the housing to an exterior of the housing which fixes the stabilizer strap (170, 270, 370, 470, 570) relative to the housing and/or retains a portion of the stabilizer strap (170. 270, 370, 470, 570) at an exterior of the housing (190, 290, 390, 490, 590) during deployment of the airbag cushion (110, 210, 310, 410, 510), the inflator (180, 580) is coupled to the housing (190, 290, 390, 490, 590) at a position that is closer to the second end of the housing than is the stabilizer opening (192, 292, 392, 492, 592); wherein the stabilizer strap (170, 270, 370, 470, 570) is configured to prevent the portion of the inflatable airbag cushion that is coupled to the stabilizer strap from rotating about the position at which the inflator is coupled to the housing so as to inhibit skewing of the inflatable airbag cushion during full deployment thereof.