Looks like some hep-th folks anticipated Bertoldi-Reis by a few years...https://twitter.com/FlipTanedo/status/1112097689196347392 …
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Good question! I'm not well-placed to know if there are any commercial products out there already, but I think people envision using similar designs in shoes and clothing (body armor?). Also, anywhere foam is used for its compressional properties, you might replace it with ...
some "metamaterial" like this with other properties; e.g. you might want something which expands / contracts in certain directions as you squeeze it. If you google for "auxetics" you'll find info on similar stuff.
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