Male to Male HDMI cables are used to connect two HDMI enabled devices. For example it can be used to connect an audio visual system such as a video game console to your TV or monitor. With HDMI ethernet. When there is a lack of space ehind a TV it can be helpful to have a male output that can swivel 360 degrees without damaging the cable, in order to accomidate the tight spacee between the tv and the wall.