Beads link machine is for making the loose beads which is already on the thread to be fixed with certain distance.
if you want to use this machine, first you need string the beads on the thread, you can use machine one, or you can let person string by hand, both is ok.
This machine can string2mm,or 3mm round beads. The distance between two beads can be from 1mm to 3mm.
Its product is like this:
Beads linked Machine