Machines that can make milk bubbles are intended to be semi-automatic and fully automatic, both of which have their own pressures.

Or use a manual milk brewing machine, and you can use a mocha pot or a drip filter to make coffee liquid.

Coffee machine types: hand-made pot, siphon pot, drip filter pot, mocha pot, French press pot, Vietnamese pot, Turkish pot, Italian semi-automatic coffee machine, automatic coffee machine and so on.

Italian coffee machine is the best place to make milk foam, or drip filtration and mocha pot are the most economical, but manual milk foam machine is needed, which is more troublesome.