Puzzle 20

Golfer Fred __, nicknamed Boom Boom.

Sea snails with iridescent inner shells.

Clean as a __.

Item for sale.

Russian Lev Davidovich Bronstein's alter ego.

Technical term for fainting.

Firm pad for sitting on during meditation.

Writer Bierce, who penned The Devil's Dictionary.

Do They Know It's Christmas charity supergroup.

The force that keeps us on the ground.

Made from clay, e.g. porcelain or pottery.

Minty taste derived from peppermint; feels cold.

Curative power some believe meditation has.