This is where you play your strongest card. One blowup reel in their category, an audience that matches their exact customer, years of genuine product love. Pick your best proof of fit and lead with that.

Give them evidence that your audience is already hungry for what they sell. You = demand, they = supply. DMs asking for recs, comments on similar content, audience demographics, past collab results.

Remove all friction. Don't ask for a call. Don't dump all your ideas. Make saying yes cost them 2 seconds - get a foot in the door first, everything else follows after.