Answer:

pocket

Answer	Crossword Clue
POCKET	Pita feature
POCKET	Flannel shirt feature, often
POCKET	Sink in pool

POCKET	Sink, as a billiard ball
POCKET	... protector (nerdy accessory)
POCKET	Pen holder, perhaps
POCKET	Pool-ball destination
POCKET	Boy's catchall
POCKET	Air or pick
POCKET	Kind of book or knife
POCKET	Kind of veto

POCKET	Spin Doctors "... Full of Kryptonite"
POCKET	Pool-table feature