Along the same lines, Favorit makes a press (along with tools / dies and rivets) that takes a lot of the guesswork out of through hole plating. I’ve been a long-time user of the press after getting frustrated with the “solder a paper clip” method of through hole plating, and its greatly increased the yield of my CNC PCB projects.

https://www.vpcinc.com/Category/Favorit-Through-Hole-Rivets-...