['< sod > [ [ image : standard guitar picks - kayess - 1. jpeg | thumbnail | right | 200px | various different guitar picks. clockwise descending from top : a standard nylon pick ; an imitation tortoise - shell pick pick ; a plastic pick case with high friction coating ( black areas ) ; a stainless steel pick ; a pick approximating a [ [ reuleaux triangle ] ] ; and a tortex " shark\'s fin " pick ] ] < eod > < sod > [ [ file : guitar picks - kayess - 1. jpeg | thumbnail | right | 200px | various guitar picks. clockwise from top : a standard nylon pick ; an imitation tortoise - shell pick ; 5 a special plastic pickup pick with no high friction coating ( black areas ) ; a stainless steel pick ; a pick approximating a [ [ reuleaux triangle ] ] ; and a different tortex " shark\'s fin " pick ] ] < eod >']