Product blueprints and exercise instructions: We can provide you plans on making your own Multi-purpose Portable Chiropractor as well as preferred exercises for each size product purchased. This cost for the blueprint and exercises is $9.99 + tax. The amount of this product will be applied to the cost of a device purchased. The purchase price of the plans or the video will be credited to your purchase of any roller. We want you to investigate our offering, and we will share in the cost of your investigation.