Easiest way to refill a Bic (or any disposable) lighter

After browsing the net, looking for a way to refill a Bic (or any disposable) lighter, after watching countless videos telling me to make a hole in the lighter and what not, I finally found a video showing, trust me, the easiest method to do this. No need to make holes, no rubber or silicon to seal the hole, nothing... So here's me showing you this method.

0:00 - Why I'm making this video
1:17 - Let's begin!
2:40 - Easy, right?!

Here's the video I was talking about:
How to refill a disposable lighter