Let’s say that you were stuck in the blistering sun in the middle of a desert or just suddenly have the urge to take a shower,  Pocket Shower is the solution.  This $20.80 waterproof reservoir holds 10 liters of water and the black fabric heats it up.  Simply put the shower head bag above a tree and cool yourself down with the shower.  It can be bought from IWantOneOfThose.com.

[via TechEBlog]