TB-1 is the special tamper for Bellman CX-25. It's shaft is hollow. You can tamp the coffee powder easily without being obstructed by Bellman CX-25's central shaft.
Furthermore, TB-1 can be contained in Bellman Cx-25's powder holder. For outdoor brewing, it takes up no more space than necessary.
Please give it a try!
Target Espresso/Cappuccino Maker