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Sebastian von Koss explains in German why the primary light belongs on the left hand rather than the right, which many divers do for comfort. He calls the right-hand habit a real safety risk.

Why divers recommend it

It stands out as a short, clear explanation from a GUE instructor of a lighting habit many divers get wrong.

Discipline

Gear

Level

Tech

Type

Gear and configuration

GUE

GUE