Flying Feather

    public void hand(PlayerInteractEvent e) {
        Player player = e.getPlayer();
        if (e.getAction() == Action.RIGHT_CLICK_AIR || e.getAction() == Action.RIGHT_CLICK_BLOCK) {
            if (player.getItemInHand() != null) {
                if(player.getItemInHand().getItemMeta().getDisplayName().equals(ChatColor.GOLD + "Feather of the gods")) {
                    player.sendMessage(ChatColor.GOLD + "You feel the gods sending you power.");
                    player.setAllowFlight(true);
                    player.setFlying(true);
                    player.getWorld().playSound(player.getLocation(), Sound.AMBIENCE_THUNDER, 1, 1);
                } else {
                    player.setAllowFlight(false);
                    player.setFlying(false);
                }
            }
        }
    }