bullet catch

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ball catch

A door fastener having a contained metal ball which is under pressure from a spring; the ball engages a striking plate and keeps the door from opening until force is applied.
References in periodicals archive ?
Enter the G2 Acreage Bullet Catch and Strike Plate.
ANNA BURNSIDE IN FIDELITY | TRAVERSE, UNTIL AUG 28 IN ROB Drummond's last Fringe show, Bullet Catch, he asked an audience member to shoot him in the mouth live on stage.
Other tricks include a riff on free speech that involves the suggestion of a flag burning and a bullet catch that nods to the Second Amendment.
In the episode which went out in April, the killer trick was the Bullet Catch, which has killed 12 magicians who tried to catch a bullet in their teeth.
And as if that wasn't enough, he undertakes one of the most famous illusions in magic; the bullet catch.
I've come up with 35 new illusions for it - including the bullet catch.
Much of Rob's previous work has involved him doing dangerous stunts, such as recreating the bullet catch magic trick or learning to be a wrestler.
And that Acreage Bullet Catch you wrote about looks like it might be just what I need.