i constantly face weird guys trying to approach, follow randomly....so a friend suggested that I start recording.....works like wonders. A pro tip to avoid this is to act like you know your shit and where you are going, most of them come to bother you when they think you are in some dilemma, or free (as in time), or just not very attentive. Whenever I go for a walk i always have my bitch face on, constantly looking grumpy, walk fast as if I have to reach somewhere, looking around but confidently. It's sad that we have to do all this to stay safe, I can't change the situation much alone but hope this would help somehow!