Ah yes who says you can't protect yourself while in prison..... :p
http://www.sloshspot.com/blog/07-23-2009/The-Wonderful-World-of-Prison-Inventions-191Someone once said that necessity is the mother of all invention. Prison is one of the few places where very few common wants and needs are fulfilled; resources are incredibly limited and ardently regulated. Prisoners, who are not content to only posses what "the man" tells them they can have, are forced to use their critical thinking skills (prison-genuity, anyone?) to craft what can be some very MacGyver type shit. As many of us know from experience, situations in prison sometimes call for something a little more intimidating than a whittled down toothbrush shiv, or a sharpened spoon. The following is a tribute to those not satisfied with the standard prison accommodations - we have The Wonderful World of Prison Inventions: