[1.11]hide non active hand when main is in use

Good days i have this issue whith custom bow   https://s27.postimg.org/osliqosab/Captura_de_pantalla_de_2016_12_30_06_48_36.png[/img]   i  have this bow and this arrow now when i thigt the bow   https://s23.postimg.org/vc2j0qymj/Captura_de_pantalla_de_2016_12_30_06_48_50.png[/img]   the arrow in the right hand  don't disapear it remains visible is the same if bow is in right hand and arrow in left   #### ?? how do i hide the other hand when item is in use
please example of the first item map thing and the second event thing   @SubscribeEvent public void RenderSpecificHandEvent(RenderSpecificHandEvent event) {   if (event.getItemStack().getItem() instanceof arco){   EnumHand mano = event.getHand();   RenderSpecificHandEvent(mano, 0,0F, 0.0F, 0.0F, 1.0F, event.getItemStack());   } }