Why it works
Providing a reason for a request makes people significantly more likely to comply because it fulfills a need for logic. Even a simple explanation helps the reader justify their agreement to themselves.
Example
I am reaching out because I saw your recent post about scaling teams.
An illustration of the mechanism, not a template. Copied verbatim it stops being persuasion and starts being the pattern everyone else is already sending.
Is your sequence pulling this one?
Paste it in and find out which levers are working, which are missing, and which single zero is capping the whole message.