Wood Coffee Filter Tamper Holder Espresso Tamper Mat Stand Cafe Tools Knock Box Slag Box Coffee Accessories for Barista|Coffeeware Sets| - AliExpress
Olive Wood Coffee Knock Box NG Next Generation - D.O.M. | Greenpicks
Knock Box | Etsy Hong Kong
I saw some wooden knock boxes on Etsy for £100+ and thought that's ridiculous. I'm a beginner woodworker so I designed and made one myself. : r/espresso