Elastic bind-off for 1x1 ribs, American method (with the thread in the right hand)

Here is one of the ways to perform a flap for 1x1 ribs, stretchable, which is both easy and makes a nice finish.
If you’re wearing your yarn in American fashion (i. e. with your right hand), reproduce the gestures as shown in this video☺️✨
Otherwise, you will also find another video showing the continental method (with the thread in the left hand) on this channel.