As seen on Mountain Flyer online:

Because of my experiences this past weekend I decided to explain how to fix a bent chain link. The first method (no tools needed) is the method I used during the XC this past Saturday. It is a great trailside fix. But the second method is quite a bit easier if you’re near your toolbox.

Disclaimer: This is a temporary fix. If you’ve bent a chain link, you should replace your chain as soon as you can. Otherwise you risk breaking it (and nobody likes that).

First, the video:

For those of you who don’t like video tutorials (even ones that are under 2 minutes) or if you prefer stationary images, here are the step-by-step instructions (click each picture to see the accompanying directions for each step):

First method (no tools needed):

Second method (using Allen keys):