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# Inner Drive Channel
In this page, we'll be going over how to constrain the second drive channel.
Reference the inventor basics connecting two c-channels tutorial if you need more clarity.
{% content-ref url="/pages/-MfF4QVssLB2ilCRL2Gk" %}
[Connecting Two C-Channels](/vex-cad/making-a-chassis/inventor-chassis/connecting-two-c-channels.md)
{% endcontent-ref %}
## Inner Drive Channel
This gets constrained with the same constraints we used for the outer drive channel, one insert and one mate constraint. Except now that we know about constraint parameters, we are going to offset the insert constraint by 0.5" before pressing `Apply`.
After adding the mate constraint to another hole, this inner drive channel is fully constrained!
{% hint style="info" %}
Remember to save!
{% endhint %}
## Contributors to this Article:
* Jess - EZ
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