It seems that one of them is holding the finger of one of his parents.

It seems that one of them is holding the finger of one of his parents.
From the age of 9 to 12 months: The child becomes able to grasp things and develops the fine motor skills necessary for picking up small things, as well as grasping some types of foods, you must encourage him to do so by offering him all kinds of small food, as well as safe toys that are difficult for him to swallow.

You can watch the video on the rumble platform:
https://rumble.com/v1gg2cx-it-seems-that-one-of-them-is-holding-the-finger-of-one-of-his-parents..html