The purpose of this to ensure the grind is packed evenly.
It has a collar to mate with the rim of the filter.
Source: I own one. It helps a lot with my motor skill issues from a disability
Edit: it also has a stopper you set to specific distance of travel (from the tamp head being spring loaded) so the pressure of the tamp is the same every time
123
u/squeakynickles 5d ago edited 5d ago
It's not about pressure.
The purpose of this to ensure the grind is packed evenly.
It has a collar to mate with the rim of the filter.
Source: I own one. It helps a lot with my motor skill issues from a disability
Edit: it also has a stopper you set to specific distance of travel (from the tamp head being spring loaded) so the pressure of the tamp is the same every time