Do you like nymphing?  Are you frustrated by the many shortcomings of standard split shot?  Do you often return from the river in tears?  If so, the answer to your prayers has arrived.  Loon Outdoor's Snake River Mud is an excellent alternative to standard split shot.  It's biodegradable, non-toxic, and much more malleable and easy to work with than lead weight.  Because of of it's Silly Pudyyish consistency, you can easily choose exactly how much weight you want to add to your leader.  It's never been easier to get your flies down deep.