Mix flour, soda, spices and salt. Beat shortening, molasses, sugar, water, egg and vanilla until well blended. Gradually beat in flour mixture. Will be soft. Divide into fourths. Pat each 1/4 into 1 inch thick round.
Wrap in plastic and refrigerate at least 3 hours or up to 1 week.
Roll on lightly floured surface to 1/8 inch thick, cut with gingermen cutters and bake at 350 degrees for 10-12 minutes.
Cool slightly on cookie sheet, then transfer to wire racks to cool completely. Decorate with icing.