if (e.getInventory().getType() == InventoryType.CRAFTING) {
            System.out.println("check1");
            if (e.getRawSlot() > 38 && e.getRawSlot() < 45) { // magic numbers dependent on CRAFTING
                e.setCancelled(true);
                //DO STUFF
            }
            if (e.getHotbarButton >= 3) { // 0-indexed, so 4th slot = 3, and -1 = none
                e.setCancelled(true);
            }
            if (e.getAction() == InventoryAction.CLONE_TO_CURSOR) {
                e.setCancelled(true); // TODO create backup implementation that skips our slots
            }
        }