Essential Freediving Techniques (E-Book)E-bookEssential Freediving Techniques (E-Book)
Seven essential freediving techniques in a compact, affordable e-book, a great first step before deeper training. In German. Details
Hammer Concept – Palmstick-SelbstverteidigungOnline courseSimple self-defence with a palm stick, kubotan or tactical pen and everyday objects, taught step by step online. Focus on easy-to-learn, realistic techniques. In German.
Updated: October 2026
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