To create his art he inserted the presorted grains of sand into small glass drug bottles using homemade tools formed out of hickory sticks and florists wire. His process utilized no glue and pressure from the other sand grains alone held the artwork together. When Clemens completed a sand bottle he sealed the bottle with a stopper and wax. At first, Clemens' work was simple and geometric in nature, diamond shaped patterns against an ivory white background was a regular motif in his earliest work.