that are difficult to see.
Why Use a Bottle Instead of Your Hand?
This is where the trick makes practical sense.
Imagine looking underneath a bed and noticing something in the darkness. Reaching underneath immediately could be uncomfortable, especially if you don’t know what you’re touching.
A bottle gives you a simple way to interact with the space without putting your hand underneath the bed.
You can roll it from a distance and observe what happens.
If you notice something unexpected, you can turn on the lights, use your phone
