If we rely on a lot of military space, send them to the point of filling the narrow, but if the enemy to capture before, don't attack. If the bottle mouth guards are very no enemy soldiers to attack the holder immediately.
If we occupied before A large number of troops to block the narrow spot. But if the enemy to seize it before. Do not attack it If the bottle is no more enemy soldiers on guard. Make a raid to seize immediately.
If we occupied the area. To send soldiers to fill narrow point, but if the enemy to take over, don't attack. If the bottle mouth that enemy soldiers guarding is not much. To quickly attack based on immediately get