The explosive can be detonated by a gunlock connected to a clock.
From the time.com
Gunlock, located 20 miles northwest of St. George, was home to 22 families, Dixon wrote in the Life article.
From the sltrib.com
Gunlock was fined the maximum of $30,000.
From the dispatchpolitics.com
Gunlock need only review the work of Robert Lustig at UC San Francisco to realize that sugar, like alcohol and tobacco, has made us sick.
From the latimes.com
More examples
The action that ignites the charge in a firearm
Gunlock may refer to: *Gunlock, a Flintlock mechanism fitted to a cannon, that fires it when a cord is pulled *Gunlock or Gun Lock, another name for a Trigger lock, a device for securing firearms *Gunlock, Kentucky, United Statesn*Gunlock, Utah, United Statesn*RayForce, video game, titled ...
The mechanism of a FIREARM by which the CHARGE is exploded; see BORE, BREECH, CARTRIDGE, AMMO. Also, a synonym for the safety on a FIREARM. ...