Here is a kid “hypnotizing” be rubbing a chicken’s tummy and covering it’s eyes.
Watch him try and “wake” it.
https://m.youtube.com/watch?v=zwUPax25_Vo
Here is someone using a chalk line, although we used string about 20 ft long.
I guess we were wasteful
https://m.youtube.com/watch?v=sqZZ95L2n7o
(Must copy/paste the links, or google for “hypnotize a chicken with a length of string”
These folks just draw a one foot line in the dirt with their finger
https://m.youtube.com/watch?v=M268UccYVCE