The process taught by Wim Hof, holder of 20 Guinness World Records, is to make yourself really, really uncomfortable.
Wim Hof Method — Can we become the Ice Man, by Andy Dao
Wim Hof The Iceman Demonstrates His Breathing Technique with Lewis Howes
Welcome to the Official Wim Hof Method Website
The Way of The Iceman: How The Wim Hof Method Creates Radiant, Longterm Health―Using The Science and Secrets of Breath Control, Cold-Training and Commitment: Hof, Wim, de Jong, Koen, Itzler, Jesse: 9781942812098
The Way of The Iceman: How The Wim Hof Method Creates Radiant, Longterm Health―Using The Science and Secrets of Breath Control, Cold-Training and Commitment: Hof, Wim, de Jong, Koen, Itzler, Jesse: 9781942812098
The Way of The Iceman: How The Wim Hof Method Creates Radiant Longterm Health-Using The Science and Secrets of Breath Control, Cold-Training and Commitment - Kindle edition by Hof, Wim, de Jong
What is ELI the ICEman? - Quora
Wim Hof – The Iceman – Big Red Running
Make Peace, Not War. With Your Body That Is.
The Iceman : r/BeAmazed
Supercharge Your Health, Strength & Happiness With The Legendary Iceman's Wim Hof Method - Enjoy A Great Life
A Mad Method by an 'Iceman' That Can Strengthen Your Mind and Body
A Conversation with Wim Hof, 'The Iceman' – Thought Economics