I picked up a practice str8 razor (which of course is not sharpened), which should be cool to show my young son to do a fake shave with. But I am also wondering if these are hardened like "real" str8 razors, and therefore suitable for actual shaving once honed. So besides being blunt/un-sharpened, what else is different between these are the "real" thing?
Here is how it looks like:
Here is how it looks like: