- 1). Slide your LED flashlight inside of a heavy-duty freezer bag. Slip another freezer bag over the other end of the light.
- 2). Pull the open ends of the bags together. Push the end of the rear bag into the open end of the front bag.
- 3). Pull both bags tight so that the rear is tight against the back end of the flashlight and the front is tight against the lens of the flashlight.
- 4). Smooth the bags against the flash light, and wrap the flashlight with duct tape. Add a second layer of bags over the flashlight. Wrap the second layer with duct tape.
- 5). Enter the water, grasping your dive light firmly. Push the power button on the flashlight through the freezer bag covers to illuminate the LED and test your dive light.
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