Cited as a reference
SPEA 3030 Bed of Nails Testers
Why people recommend it
A manufacturer's demonstration of a bed of nails fixture for testing assembled boards, linked as an example of how production test is done.
Watch for: Promotional footage, shown for the concept not the vendor
In their words
Testing the PCB itself after assembly is done by one of two machines:
DKNguyen on electronics.stackexchange.com, May 2020. CC BY-SA.