@EventHandler
          public void Leftclick(PlayerInteractEvent e) {
          Player p = e.getPlayer();

         //Make a itemstack Stick

          if(e.getAction() == Action.LEFT_CLICK_AIR || e.getAction() == Action.LEFT_CLICK_BLOCK) {
          if(e.getItem().equals(Stick)) {
          p.launchProjectile(Snowball.class);
          }
          }
          }