For those of you who practice yoga, can you walk on a slackline?

I thought I had a good sense of balance. I can stand on one foot or the other indefinitely with no problem. I thought that meant I could stand and walk on a slackline. I was wrong. It takes a completely different skill set. This is a world champion slackliner .
Balance must be maintained by moving your body and not by twisting your ankles and feet.
You can practice by standing on a 1.5“x1.5“x10 ft, 3.5cmx3.5cm x 3m long piece of wood and slowly walking from one end to the other. Do it while watching TV.
I have been practicing since late December – about 5 minutes minimum, multiple times per day. I also have a line set up outdoors strung between two trees about a foot off the ground with a guide line overhead. I am getting better but I still find this incredibly difficult. My brain still has not figured it out. Am I getting old?
Can you do it?
How did you learn?