1
You can conveniently carry things when you have a stroller hook attached. Light to heavy items can be easily carried when you have a stroller hook. You can connect two hooks to the handle at the same time to equally distribute the weight of the bag.

https://youtu.be/JXWpfev9Nkw
https://www.parentingscoop.com/why-should-i-have-stroller-hooks-for-my-stroller/