If it was not the last shield in the stack you would not be able to see the LCD!
My preferred method is to use a set of screw terminal boards like this http://www.jameco.com/webapp/wcs/stores/servlet/ProductDisplay?langId=-1&storeId=10001&catalogId=10001&pa=2144534&productId=2144534&keyCode=WSF&CID=GMC&gclid=CPek5IDNsbICFahAMgodwmYAOw between the screen and main board.
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via Egeo 16