found this on gizmodo might be usefull for some cappi only teas
gizmodo.com
A Magic Metal Kone for Brewing Coffee
The worst part about manual pourover coffee techniques—say, Chemex or a V60—are the paper filters you throw away after every single cup. Coava's photochemically etched metal Kone filter replaces them—and drastically changes the coffee at the same time.
gizmodo.com