for things that required a delicate approach, but some force (like doorpanel clips, window trim and hupcaps) i use this solution: I've chopped up a kitchen cutting board. those things are made from tough PE plastic material; the more expensive ones from pure PTFE (Teflon). the cheap one will do. I've cut it into strips of 2 inch (5 cm wide), and made the tips in various shapes: sharp point, fork for those doorpanel trim clips, and knife edge. Works wonders on hupcaps too!
As they are soft enough, you can hammer them quite hard while keeping paint intact.
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