Among the offerings at Artesanías Castor Ayala are coconut-shell festival masks dubbed "Mona Lisas" because of their elongated smiles. Craftsman Raul Ayala Carrasquillo has been making these pieces for more than 40 years, following in the footsteps of his late father. These wild masks, most with tentacle-like horns, are prized by collectors. Buyer beware: these masks have been much-copied by other artisans, so look for the signature on the back. His one-room shop, in a shack that was painted yellow many years ago, is one the road between Loíza and Río Grande.
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