You can have up to 60 seconds and just upload multiple parts. Sure, this isn't the most nuanced approach but it kind of works.

Can you? I haven't used the site in quite a while, have they changed things?

The even started to roll-out 3 minutes TikToks to some creators. But the fact that you can't go seek into the video make them quite annoying to watch. (Or when you accidentally scroll up and need to re-watch the whole thing..)