Question

As part of the lively festivities to honor the patron saints of Puerto Rican towns, “monsters” (vejigantes) who wear bells and elaborate papier-mâché masks with multiple horns roam the streets threatening to hit people on the head with:

Answer 1

Their horns? I don't know if iam right

Answer 2

The answer is:

globes (vejigas in spanish)

Puertoricans organizes comparsas of vejigantes (people wearing globes), whose joke lies in lashing with large globes threatening to hit people on the head.