Answer:

cages

Answer	Crossword Clue
CAGES	Batting backstops
CAGES	Batting-practice areas
CAGES	Escape artists' props

CAGES	Pound houses
CAGES	Pet store array
CAGES	Where canaries crash?
CAGES	Homes for hamsters
CAGES	Canaries' quarters
CAGES	Pet store purchases
CAGES	Bar rooms?
CAGES	Boxes of bars

CAGES	Quarters for canaries
CAGES	Prisons
CAGES	Some cashiers' workplaces
CAGES	Homes for finches
CAGES	Zoo accommodations
CAGES	Coops
CAGES	Confines, in a way
CAGES	Parts of some pounds

CAGES	Pet shop enclosures
CAGES	Animal houses
CAGES	Cockatoo quarters
CAGES	Confines
CAGES	Baseball backstops
CAGES	Menagerie units
CAGES	Canary homes
CAGES	Homes for parakeets

CAGES	They may get rattled
CAGES	Homes for canaries
CAGES	Zoo structures
CAGES	Shark-filmers' enclosures
CAGES	Hamsters' homes
CAGES	Zoo enclosures
CAGES	Casino cashier confiners
CAGES	Catchers' masks.

CAGES	Elevator cars.
CAGES	Pens in.
CAGES	Screens used in batting practice.
CAGES	Madison Square Garden baskets.
CAGES	Batting practice enclosures.