TWSBI Swipe vs TWSBI Eco: a Close Comparison of 2 Great Fountain Pens

In my first video, a review of the TWSBI Swipe, I compared TWSBI's new fountain pen to their classic TWSBI Eco, but I realized that a more in-depth comparison might be helpful if you are considering which pen to buy. I tried to put together a fairly comprehensive look into the similarities/differences and pros/cons between the TWSBI Swipe and the TWSBI Eco. Which fountain pen do you prefer? https://www.instagram.com/downthebreatherhole/