Answer:

LEASH

Answer	Crossword Clue
LEASH	Fido's restraint
LEASH	Pet-shop purchase
LEASH	Cur's curb

LEASH	It keeps Fido in check
LEASH	Man and his best friend connector?
LEASH	Restraint
LEASH	Cur curber
LEASH	Dog control
LEASH	Tether
LEASH	Dog owner's must
LEASH	Pet checker

LEASH	Lab checker
LEASH	Canine accoutrement
LEASH	Spot check?
LEASH	Petco purchase
LEASH	Neck line?
LEASH	Chow line?
LEASH	Spot checker?
LEASH	Lab manager?

LEASH	Hound halter
LEASH	Boxer's lead
LEASH	Dog controller
LEASH	Line from a boxer?
LEASH	Rover's restraint
LEASH	Dog walker's aid
LEASH	Lab walker's need
LEASH	Chow holder

LEASH	Lab holder?
LEASH	Lassie was rarely seen on one
LEASH	A dog may pull on one during a walk
LEASH	Retriever restraint
LEASH	Dog restraint
LEASH	.. law
LEASH	Boxer's restraint
LEASH	Some people are kept on a short one

LEASH	... law
LEASH	Chow holder?
LEASH	Dogwalker's need
LEASH	Rover's rope
LEASH	It keeps Fido close