Why it works
We subconsciously decide that we must like people when we perform a favor for them. Asking for a small bit of advice or input makes the recipient feel invested in your success.
Example
Could you take a quick look at this draft to see if I missed any major industry pitfalls?
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.