feeding device shall have the meanings given the terms in paragraphs (35) and (36), respectively, of section 921(a) of title 18, United States Code. 6. Severability If any provision of this Act, an amendment made by this Act, or the application of such provision or amendment to any person or circumstance is held to be unconstitutional, the remainder of this Act, the amendments made by this Act, and the application of such provision or amendment to any person or circumstance shall not be affected thereby.