Some hair experiments pay off, but others turn into full-blown disasters—this gallery focuses on the latter. From uneven cuts to questionable dye jobs, these hair fails are the kind you can’t ...

Step 3: Tape the penny to the pointy end of the triangle. Step 4: Stick one end of the hair to some tape and fix it to the triangle. Get a grown-up to help you with the sharp pins in these next steps.