[tremon]

and one of those Dutch condiment spatulas

For reference, I assume you mean a bottle scraper here: https://en.wikipedia.org/wiki/Bottle_scraper

They're not specifically intended for condiments (most jam jars are low and wide enough that they can be scraped with a spoon), but for storing more viscous liquids in larger glass (milk) bottles, like yoghurt or vla.

[sizzle]

Wow where has this been all my life?!? So much wasted product thrown away in bottles

[ASalazarMX]

So many nearly empty Nutella jars have died for nothing.