Welcome to MyBinding video. Let's take a look at the DuoMac C21, a plastic comb and 2:1 pitch wire binding system by Akiles. Let's watch just how easy it is to bind with plastic combs. First, set your side margin control knob so all punches are consistent throughout your project. Testing with our scratch paper here, we want to make sure there are no half holes in our punches. So you can disengage any die pin you may need so that does not happen. And according to the thickness of your project, you may want to adjust the depth of margin as well. You may need a thicker margin for thicker projects. With your settings all in order, let's begin. Starting with the covers and then punching through your entire project in batches of 20 sheets of 20lb paper or less per lift. Once you've selected the comb size that you'll be using for your project, let's place it on the comb opener on the top of the machine. In comb binding, make sure the plastic teeth are facing up and the project is faced down. That way it doesn't come apart when in use. Pull the lever down over the teeth of the comb and then slide your project, threading it over all the teeth. Close the comb and remove your project. That's it, that easy on the C21. Be sure to check out our video on wire binding with the C21. For other demos, reviews, and how tos, check out MyBinding.com.