When I get home I run a soft bristle brush through them. Like a big tooth brush. Microfiber towels are super cheap in automotive stores. I bought a 12 pack for $4 lol. I saw a 12pack for $6 at target.
I use one Dynamic disc towel to dry my hands, and microfiber cheap towels to clean discs.
Stilettos - PDs - Eagles - Gazelle - Atlas - Panzer - Judge