What can I use for blind baking a pastry case?

When it comes to home-made desserts, tarts are always popular. They can be divided into two basic types: those cooked with their filling, such as an
1) Pie-weight chainThis is a long string of stainless-steel beads which can be coiled in the pastry case. It's not too bad for keeping the bottom flat, but does little to stop the sides falling in.

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