Lol. These two goats somehow got their heads stuck in a jar

It took the efforts of a good Samaritan passerby to remove the jar.
Lol. These two goats somehow got their heads stuck in a jar

Lol. These two goats somehow got their heads stuck in a jar

Lol. These two goats somehow got their heads stuck in a jar

Lol. These two goats somehow got their heads stuck in a jar

How did they manage to get stuck?