Cheapest including prime delivery https://www.google.com/search?q=kong+cat+zoom+groom+stores
Ccc is still not working but cheapest on record
https://au.camelcamelcamel.com/product/B0002AR18M
I find Kong dog and cat brushes to be excellent.
Happy to answer questions.
Consider for animals other than cats.
purple cat owners seems like a pretty niche market segment