A purple flag at the beach signals dangerous marine life—an often-ignored warning that could protect you from serious harm in the water

YOUR FEET IN SHALLOW WATER
This is especially important in areas known for stingrays.

Instead of stepping normally, slide your feet slowly through the sand. This movement creates vibrations that usually scare stingrays away before you accidentally step on them.

It’s often called the “stingray shuffle,” and it can prevent painful injuries.

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