Source: http://mentalfloss.com.License: All Rights Reserved.

The essential product for any gradeschool student in 1980s America. Most of these images come from Erin McCarthy's History of the Trapper Keeper. See also the Ebaum's World gallery of vintage Trapper Keepers.

Source: http://mentalfloss.com.License: All Rights Reserved.

Source: http://mentalfloss.com.License: All Rights Reserved.

Source: http://mentalfloss.com.License: All Rights Reserved.

Source: http://mentalfloss.com.License: All Rights Reserved.

Source: http://www.flickr.com.Photo by Jason Liebig. License: All Rights Reserved.