subs. (old).See quots.
c. 1696. B. E., A New Dictionary of the Canting Crew, s.v. KNACK. a KNACK-SHOP or Toy-shop, freighted with pretty Devises to Pick Pockets.
1785. GROSE, A Classical Dictionary of the Vulgar Tongue, s.v. KNICK-SHOP, a toy shop, a nick-nackatory.