These innovations have led to a thorough reform of the production and design of everyday tools. The use of modern materials and modern methods is a kind of engineering peculiarity and miracle. It is as comfortable as clamping steel together and as a fidget toy.
Simply sliding to open and close the chin is very satisfying. The weight in your hand is reassuring, and you know if you really need to hold something.
No need to fiddle with the adjustable wrench, rotate the gear over and over again until you (maybe) fix it in the correct position. It can be snapped and safely locked in place within a few seconds, so you can use it correctly every time.