German swimming badge

The German swimming badge (German: Deutsches Schwimmabzeichen) is awarded by members of the Wasserwacht of the German Red Cross and the DLRG for completing certain requirements and for demonstrating swimming skills.

The Dauerschwimmer badge is awarded in

The design of the patch features a death's head. Due to the danger of hypothermia during the long exposure to water many swim coaches or lifeguards offer the badge for constant swimming only under strict conditions or not at all.

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Wikipedia