The index finger is bent out, and the other four fingers make a fist to form an "S" shape. Make a fist with your forefinger into an "O" shape, then stretch it into an "S" shape, and do three actions in a row, which is the SOS distress gesture.

Wave your arm for help.

When the distance is far away, you can wave your arms for help. Put your arms together and wave them over your head. This way can let the other person know that you are asking for help. If you wave one hand, it's easy to be ignored.

OK gesture alarm method

The thumb and ring finger bend and touch, and the other three fingers straighten, similar to the gesture of "1 10".

Matters needing attention in distress gesture

No matter what method you take for help, you should attract the attention of others as much as possible to improve the success rate of alarm.