If you are feeling a pain in the flanks, in the lower back portion under the rib cages, you may be suffering from kidney pain. It is important for you to pinpoint the location of your pain. You may just be mistaking the pain from a ligament sprain or a muscle pull injury as pain in kidney. Picture 1: Image showing location of kidney inside human body. Source: Wikipedia.
The stringer is one of the central areas of surfboard design to which the shaping community is paying increased attention. While it has always been commonplace to see wooden stringers running down the center of a foam blank, shapers have reevaluated the stringerâs function to further advance the sport. When Clark Foam ceased operations in December 2005 it signaled the beginning of a revolution in surfboard design and technology.
You can either trace out an existing board stringer template, design your own from scratch or look for the Clark Foam Blank Catalog online. The company is now out of business but their catalog gives many different outlines for surfboard stringers. I usually use something from the catalog. Step 5: Wooden Stringer - Part 2