For improved maintainability, I have attached pebgoards to a metal backing with threaded magnets[1] and wingnuts. You can then just pry it off the backing when needed.<p>I've also used 4 hasp-staples and appropriate sized dowels; if you align two of the staples with each other then you can remove the other two to hinge it out.<p>1: e.g. <a href="https://amazingmagnets.com/product-category/cupm-series-m-threaded-stud/?orderby=" rel="nofollow noreferrer">https://amazingmagnets.com/product-category/cupm-series-m-th...</a>