(1) has a particularly bold heel artifact that can be removed. But there are few on the market, as if applying for a patent.
(2) find a shoe store that provides manual customization services to modify it, which is quite expensive.
(3) Find an old man with many tools on the roadside to repair shoes, the kind that has been stationed for a long time and has technology.
(4) Do it yourself, find the hard skin and super glue (502 is useless) similar to the color of the shoes, measure them well, cut them and paste them.
Or directly saw, although the thickness is unchanged, but the height is reduced, walking will save a lot of effort.
⑤ Buy a pair of platform shoes.