private void start() {
        _running = true;
        _p1.openInventory(Inv);
        _p2.openInventory(Inv);
        new BukkitRunnable() {
            private int counter = 5;

            @Override
            public void run() {
                if (counter > 0 && _running) {
                    int c = counter--;
                    me.itzwam.shifumi.utils.Inventory.update(_p1, "Il reste " + c + "secondes");
                    me.itzwam.shifumi.utils.Inventory.update(_p2, "Il reste " + c + "secondes");
                } else {
                    if (_running) end();
                    _p1.closeInventory();
                    _p2.closeInventory();
                    this.cancel();
                }
            }

        }.runTaskTimer(Main.instance, 20, 20);
    }