Whether you're ready for it or not, Shai Eynav just sent us a pre-production sample of his Spider Holster for review. When first announced, we had our doubts as to its usefulness. After all, slinging a chunky DSLR from our belt presents not only ergonomic issues but significantly increases the threat of a high-school styled depantsing if not worn correctly. However, anyone who's ever carried a DSLR for long periods of time to shoot wedding assignments, little league games or say, CES has felt the pain inflicted by traditional DSLR neck and shoulder straps. So how did it perform? Is the Spider Holster the device that will finally free your hands and relieve punishing neck, sho