#Munch
You will need a usb-drive [at least 1gb] partitioned and set up with one of the following filesystems
ext2/3/4 Btrfs fat32
Make sure boot flag is set
Run munch with device name [sdx] and iso file name [archbang--<i686/x86_64>.iso]
sudo ./munch sdx archbang-.iso
When you boot usb-device you will now be able to make changes to iso live and have them saved [persistence]