...Actually I gave it one!
I thought I'd share this dust collection tip: My homemade overarm guard also serves as an overarm dust hood. However, since dust and chips spin tangentially off the blade, the dust and chips would find its way under the front of the guard and into my belly, especially at the end of a cut. So I added a simple piece of doorsweep that is available at any hardware store. I used one by Frost King (R). Just cut it to length and attach. It works extremely well. Here's a pic...