I tested an ice bath with the Wim Hof method - Femme Actuelle le Mag

https://stephanejanssoone.com/wp-content/uploads/J-ai-teste%CC%81-un-bain-glace%CC%81-gra%CC%82ce-a%CC%80-la-me%CC%81thode-Wim-Hof-Femme-Actuelle-Le-MAG.pdf