Hello my dear friends, I have got a question after looking in my downloaded files. And I would like to do this before putting my foot into something unpleasent:

These bars below the deck - what are they for? I do think keeping the deck's card in a curve, isn't it?

So are they just bent card board strips or are they curved cut cardboard (with the arc on the top)?
Thanks a lot.

These bars below the deck - what are they for? I do think keeping the deck's card in a curve, isn't it?

So are they just bent card board strips or are they curved cut cardboard (with the arc on the top)?
Thanks a lot.