1) Flamenco accompaniment 2) Gourds with sand 3) Handy percussion 4) Instrumental rattlers 5) Latin band noisemakers 6) Latin percussion pair 7) Mariachi instrument 8) Mexican rattlers 9) Musical gourds 10) Musical instrument 11) Musical rattles 12) Ones shaking to the music 13) Pair in a salsa band 
South and Central American shaker made from the fruit of the totuma (Venezuela), and filled with dried seeds or other small objects.
Maracas is slang for breasts.