> "To operate the assembly, the operator places the inlet tube with its > valve open adjacent his anal region from which a colonic gas is > discharged. " > http://www.freepatentsonline.com/6055910.html And if you haven't got one brewing, you can use the lighter gas -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist