@EventHandler(priority = EventPriority.MONITOR)
 public void onBlockBreak(BlockBreakEvent event) {
   Block block = event.getBlock();
   if (block.getType() == Material.DISPENSER) {
     plugin.removeCannon(block);
   } else if (block.getType() == Material.WEB) {
     if (plugin.removeWeb(block)) {
       // event.setCancelled(true);
       block.setType(Material.AIR);
     }
   }
 }