Maybe not as hipster as a binder clip but I really like Rhodia notepads. Also, to force you to slow down a bit and put more concious effort into your notekeepi

Maybe not as hipster as a binder clip but I really like Rhodia notepads. Also, to force you to slow down a bit and put more concious effort into your notekeeping you can use a fountain pen. We were required to use those as kids in Germany, not sure if that's still the case.