The historical life hacks Erin covers in this episode of The List Show might not cure your head cold or provide a palatable use for stale bread, but you'll at least have to award some points for creativity. You'll learn about toast water and questionable laundry methods, and of course find out that people were recommending cocaine for ... something. These historical life hacks are mostly better left in the past, but we're brining a couple into the present.