One of the most unique and creative series I have seen posted on APUG in a LONG time! Very original! I have seen something like this done before, where the photographer will wrap parts of the body with black cloth and photograph against a black background. However, you have gone WAY past that by the use of the cracks and inside of the arm ect. Of course, I think we all want you to share your technique with us.
William Mortensen used this technique for one of his bromoil transfer images published in his classic 50's book, "Monsters and Madonnas." Allen, I think your images takes the technique to another level, with your use of veining. Bravo! Gene