If you follow the rope from the cow's neck all the way down through the loops...👇👇🤔🤔

 

If you follow the rope from the cow's neck all the way down through the loops...

The cow is tied to post 1

Posts 2 and 3 just have loose loops crossing over, but the actual rope ends at 1.

Tricky though! Did you get it right on the first try?