Have you ever looked that those strange hard shells at the ends of your fingers and toes and wondered to yourself... why do we have them? What do they actually do??

Images used under license from Shutterstock.com

Welcome to Colossal Questions, the show that answers all of life's most pressing questions!

Narrated by: Matt Schneck

Written & Directed by: Matt Levy
Edited & Animated by: Montana Hall
Executive Producer: Judy Meyers