Help me make a new icon please!! :D

[FerrisBueller]

Yo guys, trying to make the following video into a .gif icon. Just the buttery part as well. I don't know how to make it 50x50 and the right size to work. Plz help hahaha... I have the original video file if that helps. Thanks!!!
https://instagram.com/p/w2n5vltjm9/

 

[cultrara]

At 8K, you wont be able to get the gif to capture that vid.

 

[jynx81]

Pretty annoying how its only 8k@ 50X50 took a lot of Photoshop work for mine. Wish ins had the same system as youtube