| http://www.w3.org/ns/prov#value | - 20130252768CLIMATE VARIABLE LACROSSE HEADS AND RELATED METHODS OF USE - A first lacrosse head constructed from a first material having first properties or a second lacrosse head constructed from a second material having second properties is selectively used in lacrosse activities, based on environmental conditions, such as temperature, humidity and/or solar activity, to provide generally consisten
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