// equip two-hand weapon case (with possible unequip 2 items)
            if (type == INVTYPE_2HWEAPON)
            {
                if (eslot == EQUIPMENT_SLOT_OFFHAND)
                {
                    if (!CanTitanGrip())
                        return EQUIP_ERR_ITEM_CANT_BE_EQUIPPED;
                    if(pItem->GetEntry() == A || pItem->GetEntry() == B) // custom
                        if(Item* mainItem = GetItemByPos(INVENTORY_SLOT_BAG_0, EQUIPMENT_SLOT_MAINHAND))
                            if(mainItem->GetEntry() == A || mainItem->GetEntry() == B)
                                return EQUIP_ERR_ITEM_UNIQUE_EQUIPABLE;
                }
                else if (eslot == EQUIPMENT_SLOT_MAINHAND) // custom
                {
                    if(pItem->GetEntry() == A || pItem->GetEntry() == B)
                        if(Item* offItem = GetItemByPos(INVENTORY_SLOT_BAG_0, EQUIPMENT_SLOT_OFFHAND))
                            if(offItem->GetEntry() == A || offItem->GetEntry() == B)
                                return EQUIP_ERR_ITEM_UNIQUE_EQUIPABLE;
                }
                else if (eslot != EQUIPMENT_SLOT_MAINHAND)
                {
                    return EQUIP_ERR_ITEM_CANT_BE_EQUIPPED;
                }