Interesting. Of course, it's at least safe if you have a good temperature control. I'm guessing you use single core wire? What kind of tip do you use?

I mostly use the square pins from SIL headers, bent into an appropriate shape. I use a pointed tip but I don't think it matters much, as long as it can transfer heat into the pin.

I most recently used this to repair a snapped headband on some sony headphones. I'd previously tried to superglue it, but the glue eventually came undone - but my "staples" are still going strong.

Cool, thanks for the info!