preferably inflatable cushions preferably there are two or more such crossbars on one or two inflatable cushions at least one vibrational motor is in contact with at least one crossbar and preferably each crossbar slopes from a first end to a second end a source of fluid is in communication with each inflatable cushion preferably the vibrational insulators are placed on top of first and second longitudinal channels of a horizontal rack application_number US 82510610 A description as illustrated in fig1 the rebar separator has a crossbar 1 that is placed atop a first vibrational insulator preferably an inflatable cushion 2 and preferably also atop a second vibrational insulator preferably an inflatable cushion 3 the first cushion 2 is preferably located on top of a first longitudinal channel 4 of a horizontal rack 5 the second cushion 3 is preferably located on top of a second longitudinal channel 6 of the horizontal rack 5 the first cushion 2 contains an aperture 7 depicted in fig2 which aperture 7 communicates with the interior 8 of the first inflatable cushion 2 similarly the second cushion 3 contains an aperture 9 depicted in fig3 which aperture 9 communicates with the interior 10 of the second inflatable cushion 3 a fluid preferably air is provided to and withdrawn from the first inflatable cushion 2 through aperture 7 similarly a.