Vixen in Hi-Viz Jimslip.com members will be still reeling at the shiny PVC perversions in last weeks exciting episode, but this week things take a turn for the better when Mackenzie stomps on stage with a secret weapon that is guaranteed to bring all men to their knees. Her outfit was designed by NASA to be seen even in the depths of deep space! Yes astronauts on long voyages will get randy as well. So the big question for NASA egg-heads was how could a pair of randy astro-nuts “get it on” in a black hole from which no light can ever escape. The canny brainiacs came up with “Radio active under garments