Makeshift prison implements are nothing new (and neither, we admit, is the media's fascination with them), but Marc Steinmetz's photos of contraband found in German prisons are undeniably intriguing. While some contraptions are more clever than impressive—a hash pipe made of a horseradish tube, say—it's hard not to marvel at a homemade handgun (pictured). The bullets? Pieces of steel and match heads. Now that's ingenuity.

[Boing Boing Gadgets via Wired]