You can cut thread on the steerer
I think there are several issues with that idea. But if you have the knowledge, please share.
I dont know if the material of your steerer is thick enough?
https://youtu.be/OM3yP9tsQe0?si=MQ_7HGZ66lxpXZSt
@kjlem started
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I think there are several issues with that idea. But if you have the knowledge, please share.