So the Victor crew tried cold brew. A couple of us tried the method using a mason jar. This method worked fine but seemed a little messy. One of us used a regular coffee filter and strainer to get the grinds out and one of used a few layers of cheesecloth around the top screwed on with the open mason-jar screw-on part. Both worked fine but we found the grounds a bit messy.
So what did we do? We bought the Hario cold-brew system. It is fairly inexpensive and handles those grounds a bit better. It comes with a permanent filter that is removable. It has a screw off bottom so you can dump the grounds right into the garbage can. Adding our favorite sweeteners and lighteners make it a very good cup.