Drop ring | Article about drop ring by The Free Dictionary
A ring which is used as a handle to operate a lock or latch; the ring remains in a dropped position when not in use, but it may be raised and pivoted about the spindle to operate the lock.
References in periodicals archive
One of the most common forms is tamper evident packaging, such as the drop ring
plastic closure on bottles.
Toss onion rings in buttermilk mixture and then in flour mixture, shaking off excess batter Drop rings
in hot oil and fry until golden brown.