[PugetSoundSoldier]

Spring steel, or a beryllium bearing alloy will do it. As long as you stay under the deformation limit in terms of stress, it will come right back to shape.

This could be a great way to do quick in-the-field changes of armor plating on tanks and vehicles, even hardened buildings.

[allmost]

If you say so. Plastic reusable metal is new to me. One time application with the locking mechanism shown yes. Peel it off and reuse it no.