There’s a ton of different ways to attach your travel restriction to your anchor; some right, some wrong. One of the easiest ways to make it happen is also one of the worst. Simply wrapping you carabiner and rope around the anchor and clipping it back to itself is not an entirely uncommon sight.
Take a look at the videos below that were taken by Richard Delaney of Rope Lab and Rope Test Lab on Facebook. They show what can happen if you actually took a fall on this type of tie off. This type of demonstration should be enough proof for the doubters that you should actually pay attention to how you tie off. It’s obviously an issue of training to make sure it always gets done correctly. Sometimes it can be the littlest attention to details that can have the biggest effect.
The wrong way: