Structuring a collab so the algorithm shares both audiences

Word is most collabs flop on distribution, not chemistry. A source who brokers creator deals gave me the structure:
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Both channels publish the SAME week, not same day — staggered uploads double the cross-recommendation window.
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Use each other's name in the title, spelled exactly as their channel handle reads.
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Link via end screen, never just description — the platform counts the end-screen click as a stronger signal.
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Pin a comment on each video tagging the other channel.
Confidence: medium. For your channel, the collab's reach lives in how you wire the cross-links, not the footage.