The link for this post uses a read-only front-end for Twitter, which can be easier to read for viewing a full Twitter thread.  The Tweet that kicked off the thread is:

> How to calculate the effective fee rate when bumping a #LightningNetwork channel opening transaction using RBF / CPFP (Replace By Fee / Child Pays For Parent). #Bitcoin 
>
> A 🧵 👇
> 1/13

https://twitter.com/Bitcoinite21/status/1582793740464160768