Most debris on the ground is not hazardous to bare feet — Born to Live Barefoot

Debris and other discarded items often found on the ground or walkways are usually unlikely to do any harm to someone's bare feet.

Being Barefoot – reconnecting with the earth and developing strong minds - Educated by Nature

Can Walking Barefoot on Modern Surfaces Be Harmful?

Down to earth! Grounding or walking barefoot on earth has several physiological benefits - Lifestyle News

Why barefoot is best for children, Health & wellbeing

DREAM ABOUT WALKING BAREFOOT - What does it mean? - Evangelist

Grounding: Five Reasons to be Outside and Barefooted - Sheila Kilbane, MD

Barefoot on escalators is safer than shoes

Annette Bening Knows a Thing or Two About Difficult Women - The New York Times

The Amazing Secret To Cutting 25% Of Carbon Could Be Under Your Feet