What is this for?

[Domus]

Going through my saddlebag and I spotted this item on my Fatspanner multitool.
No sign of it on their website

 

[Mo1959]

Looks like this but with a bit missing?
fat-spanner-multi-tool-with-co2-and-link-extractor__6651

 

[Domus]

Ahh. As I already have a co-2 adaptor I will leave that bit at home.

Thanks

 

[Paulus]

Going through my saddlebag and I spotted this item on my Fatspanner multitool.
No sign of it on their website

View attachment 685032

View attachment 685033

As @Mo1959 says, it attaches to the link extractor.