Okay, first of all, this is more a little joke. But I found some nice youTube videos, which I want to share. Actually I don’t like the video-posting, but SCNR ;-)

Back to the domino skills. First you should practise with bigger and heavier dominos, such like PCs:

After that, when you feel confident, switch to smaller dominos, i.e. HDD, Hard Drive Dominos:

You will need the HDD step as preparation for the last step: an amazing domino and billiard trick shot