"Spitznagel" was the name many years back for the spot-weld-then-slide-hammer style.
Literally, "spits nails" in German.

There are some of those Russian guys in Spokane. The cars are a horror show in person, not to mention the non-ICAR levels of repair.
Sometimes the folks that bought the cars would come in for subsequent repairs or related post-repairs, and I'd turn them away.
You open those cans, and they blow up in your face.