Detailed Instructions: Given a travel related situation, and given a specific question about the situation, summarize the question into a title
Problem:Whether traveling with a child or friend, especially in large crowds, should one take precautions to avoid losing someone?

I will be backpacking, so packing light is important; however, I still thought it would might be necessary for me to get something like a walkie talkie. I have even considered using a strap/buckle and attaching it to the other person. This sounds ridiculous, but losing someone would ruin a great portion of the trip.

Solution:
How to avoid losing someone while traveling?