Do you mean free travel or bleed kit? Bleed kit I use is a length of suitable pipe, a milk bottle and the missus. How hard is it to remember to shout down when the pedal reaches the floor and up when the pedal is at the top of its travel? one good way to start an argument. I will check free trial later and report back
Obviously people don't know how to make a NRV bleed pipe, can all be done single handed if you have one.