Sashiko is a traditional Japanese embroidery technique that originated in the Edo period. It involves stitching simple geometric patterns using a running stitch, often with white thread on indigo fabric. Originally, Sashiko was used to reinforce and repair worn clothing, making it both a practical and decorative art form. Over time, Sashiko evolved into a popular craft, celebrated for its beauty and simplicity. Today, it is often used in quilting and home decor, showcasing intricate designs that reflect Japanese aesthetics. The technique emphasizes sustainability and creativity, as it encourages the repurposing of materials.