This strange fear may have an evolutionary advantage.
What is Trypophobia? Find out if you have a fear of holes - Trypophobia Reference Website
What is Trypophobia (Fear of Holes)? What are the Symptoms, Causes and Treatments?
Trypophobia: A fear of holes
What is trypophobia and what causes a fear of holes? Symptoms, treatment and celebrity sufferers
ᐉ Trypophobia Test - Take This 100% Accurate Fear of Holes Test
Trypophobia: Causes, Symptoms and Treatment – Forbes Health
holes in skin - pictures, photos
Fear of holes: new research in to most common phobia you've never heard of - NZ Herald
What is the psychology behind trypophobia? - Quora