The document provides an overview of sketching and discusses the basics of sketching including what a sketch is, the difference between sketching and drawing, common sketching techniques like different pencil grips and strokes, examples of famous designers like Leonardo Da Vinci and Henry Dreyfuss, and exercises to practice sketching techniques like drawing lines, angles, squares and circles. The workshop concludes with an exercise where participants sketch a product by touch alone to practice sketching without sight.