Williams, Geoffrey: Geoffrey Williams' Two Ring Linking Ring Routine ©1982 Geoffrey Williams, J&D Enterprises, Woodland Hills, CA Softcover, saddle-stitched, 5.5x8.5", 21 pages

Image from Magicref

Comments: Illustrations by David Grenewetzki. A routine using just two rings (regular and key) and a flexible band wrist-watch. The watch becomes a "third" ring.

Contents (from book):

1 Introduction
3 Part I - The Routine: provides patter, and mixup with the watch
6 Routine Part Two: Unlinking the rings
11 Part II - The Moves: five moves fully illustrated
19 Part III - Bonus Bit: how to rig the optional Microphone Stand bit