What is the mutual repost in stories called on Instagram?

Question

SMM

There are such abbreviations as f4f - a subscription for a subscription and sfs - a competition among subscribers for reposts.
But that's not it.
There must be some kind of abbreviation, concept (to search for a hash tag), when two Instagram bloggers make mutual reposts in stories to exchange followers. How does is called?

Answer 1

Also called s4s or sfs - this abbreviation just has two meanings:
shout out for shout out and share for share .
The first one is usually denoted by mutual reposts in stories.