Old Skills Not To Be Taught - Or Should they?

Check out the new ISE shop: https://shop.is-expl.com/ Support what I Do If you'd like to support what I do then please subscribe and consider joining my channel Or check me out on Patreon and help me to create more content:   / innerspace_explorers   ISE Diver Training: https://is-expl.com Mail to: [email protected] The Book: in German: https://www.amazon.de/Recreational-Di... in English: https://shop.is-expl.com/products/a-l... Social Media: Facebook:   / innerspaceexplorers   Instagram:   / innerspace_explorers   If you want to send me something: Achim Schlöffel c/o InnerSpace Explorers Obere Dorfstrasse 16 83539 Pfaffing Germany Mail: [email protected] My other channel in case you are interested :):    / american_runabouts