dried bean curd knots 
and this brand is called ‘double coin’
I have had the tied tofu many a time. 8)
If you want knotted food tho, see Watching Knots on Instagram. They are a bakery (?) that make and post ABoK knotted pretzels.
i will get caught up in the instagram/ link ! 
… wow ! 
and i love bread
… looks like bready pretzel,
we don’t really have pretzels here,
uncultured savages we are