yeah, mines transparent, or i suppose u can carry them in ur pockets, as for books, m gna leave them in the car, not sure, some people wont have cars, maybe u can find a friend there who has a car? or like, just get together with a fellow candidate? ask permission to place books in his car, and take them out after the exam?

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"When He decreeth a matter, He saith to it: "Be," and it is."