This quick and easy-to-use reference guide answers all of your questions about using the Z-Vibe, DnZ-Vibe, and Z-Grabber, plus all of their tips. The clear instructions and detailed illustrations show the placement of the tools for use in your oral-motor therapy program. 67 pages (6 ½" x 9 ½") cover 20 chapters. Spiral-bound. Softcover.