private void openInventory(Player viewer, Inventory inventory) {
        // Create a copy of the target player's inventory
        int inventorySize = 45;
        Inventory copiedInventory = Bukkit.createInventory(null, inventorySize, "Target Inventory");

        // Copy items from the target player's inventory to the copied inventory
        copiedInventory.setContents(inventory.getContents());

        // Open the copied inventory to the viewer
        viewer.openInventory(copiedInventory);
    }


    @EventHandler
    public void onInventoryDrag(InventoryDragEvent event) {
        Player viewer = (Player) event.getWhoClicked();
        Inventory topInventory = event.getView().getTopInventory();

        if (topInventory.getHolder() instanceof Player) {
            Player targetPlayer = (Player) topInventory.getHolder();

            // Prevent dragging items into the target player's inventory
            if (event.getRawSlots().stream().anyMatch(rawSlot -> rawSlot >= topInventory.getSize())) {
                event.setCancelled(true);
                return;
            }

            // Prevent dragging items from the target player's inventory
            if (event.getRawSlots().stream().anyMatch(rawSlot -> rawSlot < topInventory.getSize())) {
                event.setCancelled(true);
                return;
            }

            // Copy the dragged items from the event to the target player's inventory
            for (int rawSlot : event.getRawSlots()) {
                ItemStack item = event.getCursor();
                if (item != null) {
                    // Prevent dragging items into slots that don't exist in the target player's inventory
                    if (rawSlot < targetPlayer.getInventory().getSize()) {
                        targetPlayer.getInventory().setItem(rawSlot, item);
                        event.getView().setCursor(null); // Clear the cursor to remove the item from the player's inventory
                    }
                }
            }

            // Update other player's inventory
            updateOtherPlayerInventory(targetPlayer);
        }
    }

    private void updateOtherPlayerInventory(Player targetPlayer) {
        // Loop through online players and update their inventory if they have the custom inventory open
        for (Player onlinePlayer : Bukkit.getOnlinePlayers()) {
            if (onlinePlayer != targetPlayer && onlinePlayer.getOpenInventory().getTitle().equals("Target Inventory")) {
                // Update the other player's inventory
                onlinePlayer.getOpenInventory().getTopInventory().setContents(targetPlayer.getOpenInventory().getTopInventory().getContents());
            }
        }
    }