This could in general be very useful, but also in an emergency situation is nice to know. There’s superglue and baking soda everywhere!
The basic effect is that baking soda, added to superglue in 1/8 inch or so layers, makes a very hard plastic. Good for surface repairs, wood filler, etc.
The one video has the stupid title “click bait” about “cops don’t want you to know” – but frankly I think it would be better with “easy way to fix things”.
The other has a guy “muff” it by packing a space with powder and dribbling superglue on top (leaving the center still powder) but gives a good idea how deep a layer you can do at any one time: