Even-sided twills include foulard or surah, herringbone, houndstooth, serge, sharkskin, and twill flannel. Sharkskin is a smooth worsted fabric with a soft texture and a two-toned woven appearance. The most desired sharkskin colors feature a peacock iridescent palette. Sharkskin is commonly used as a liner in diving suits and wetsuits. The traditional grating tool for "wasabi" is a sharkskin grater or "samegawa oroshi". The fluid dynamic properties of sharkskin have been mimicked in swimsuit, nautical, and aerospace applications. Lightweight and wrinkle-free, sharkskin is ideal for curtains, tablecloths and napkins. He also played guitar in the instrumental rock band Sharkskin. This form is also termed sharkskin or galuchat. Northey, Elliott and Steward are all current members of Odds and Sharkskin. Kendall was formerly with Doug and the Slugs as well as Sharkskin. Sharkskin was used effectively for helmets or "moriones".