Kingston Safety Valve

safety valve
The safety valve is a provision in the Sentencing Reform Act and the United States Federal Sentencing Guidelines that authorizes a sentence below the statutory minimum for certain nonviolent, non-managerial drug offenders with little or no criminal history.
A means of giving harmless vent to feelings of tension or stress
a valve in a container in which pressure can build up (as a steam boiler); it opens automatically when the pressure reaches a dangerous level
A safety valve is a valve mechanism for the automatic release of a substance from a boiler, pressure vessel, or other system when the pressure or temperature exceeds preset limits. It is part of a bigger set named pressure safety valves (PSV) or pressure relief valves (PRV).
A valve opening automatically to relieve excessive pressure, esp. in a boiler

kingston
A port in southeastern Canada, on Lake Ontario, at the head of the St. Lawrence River; pop. 56,597
capital and largest city of Jamaica
A historic city in southeastern New York, on the Hudson River; pop. 23,095
The capital and chief port of Jamaica; pop. 538,000
a town on the Hudson River in New York
a town in southeast Ontario on Lake Ontario near the head of the Saint Lawrence River