The process is simple; as you climb the rope feeds out from your bag (your spare rope), through your self-feeding solo device, and creates 'climbing rope' for you to progress upwards. Place gear as you normally would and clip your 'climbing rope' into it.
How safe is rope soloing?
Rope soloing is highly dangerous and demands a great deal of experience and good judgment and in many ways is more dangerous than free soloing, due to an increased reliance on 'systems'. ... Bottom line: Don't rope solo.
Can you rope climb by yourself?
First off – Yes it's completely possible to rock climb alone but it's not recommended. When you manage the rope yourself without anyone backing you up this is called rope soloing. There is also the most obvious way of climbing alone which is with no rope, no safety and fatal consequences – free soloing.