long currentTime = System.currentTimeMillis();
public void onArmorTick(World world, EntityPlayer player, ItemStack itemStack) {
if (player.getCurrentArmor(2) != null && player.getCurrentArmor(2).getItem().equals(MyModItems.deanChestplate))
	    {
		player.capabilities.allowFlying=true;
		 if(System.currentTimeMillis() - currentTime > 9000)
		 {
		    if(player.getCurrentArmor(2) == null || !player.getCurrentArmor(2).getItem().equals(MyModItems.deanChestplate))
                      {
                       player.addPotionEffect(new PotionEffect(Potion.digSlowdown.id, 40, 1, true));
                      }
		 }
	    }


}