BjjBrick Q&A 1 Unpassable Open Guard

Today I answer a question about developing an unpassable open guard. What are your thoughts on this topic?

Q: What are your tips for developing an unpassable
open guard, beyond the typical “mat hours”
response? What can I conscientiously do, drill,
practice etc. to better use those mat hours?
My guard retention is slowly but surely improving,
though I know I am lacking a lot of intentioned