Here is the complete set, Jay's Jinking Rings and book! (Also available as manuscript only)
Jay Marshall (1919-2005) was President of Magic Inc., a veteran of a lifetime of professional magic in every performing capacity, and was much in demand for consultation on acts, jokes, bits of business and tricks. His version of the Jardine Ellis Ring—the Jinking Rings—is truly amazing and can be used... With other different handlings! here you will find a complete contribution from some of the top minds in magic on the ellis ring.
Available both as the manuscript by itself, or the book and set of rings and gimmick.