"Seriously, they help a whole lot. Imagine heels breaking down when you are just barely 5 yards from your door, and you need the shoes for the next rotation. With some understanding of how to replace heels (probably learning from online vids), one can always replace his own shoe heels with those tools".
Having one of these interesting looking items, or not, I wouldn't ever contemplate my putting new heels on my shoes. No 'rotation' is so sacred that we can't afford a few days wait to have an expert re-heel our shoes.
Of course, they were meant for the guy who was miles from town and maybe further from a competent cobbler--the guy who didn't buy shoes to strut around in but rather to work in and to protect his feet.
You could probably put new heels on a shoe, but you couldn't make shoes on them. So, in all probability, they were used to replace or re-attach toplifts and tack up outsoles when the stitching had come loose, and perhaps, for the more ambitious, to nail a half sole over the top of badly worn sole.
Edited by DWFII - 1/30/15 at 1:05pm