antiX has the capability to generate snapshot images and also has the ability to remaster an image.
You may either install these images to a hard drive or you can write them to a removable USB drive.
Sometimes I do both. My current images have been BOTH remastered AND snapshots have been created.
What's cool about these images is that they can serve as a backup for whatever you've done, especially when you create a USB copy.
There are also multiple ways to create them: you can save your entire working environment, including your personal files. This is good for the backup capability. Alternatively you can specify which directories to omit, or you can build only a "general" system version, plus combine snapshot and remastered images by repeatedly building copies as your system is changed.
This is the most flexible and practical way I've seen to combine backup and portable, movable images. Both antiX and MX Linux have similar capabilities, but antiX does more with the light snapshot and remastered images.