use for the lower portion in place of the male and female coupling arrangement shown in fig3 and 4 other breakaway connections may be provided for example magnetic elements may be provided to hold the cord ends together spring release mechanisms velcro fasteners and other devices may be used to advantage for example there is shown in fig8 and 9 a breakaway connection utilizing magnetic components in this embodiment a plate 64 is attached to a center strip 32 39 preferably at a height several feet above floor level the plate 64 may be a magnetic element or may be of magnetically attractive material such as soft iron or the like preferably the plate 64 should be of a material that will not damage the finish of a vehicle passing through the curtain and for this purpose a rubberized or plasticised magnetic material is preferred since it is somewhat flexible and resilient and provides a strong magnetic action with ferrous metals as well as with similar rubber or rubber like magnets cord sections 46 39 extend from both sides of the doorway opening as in the fig1 embodiment and the free ends instead of connecting to one another at the center attach to the plate 64 the free ends are provided.