Thank you fellow crafter Elyse for bringing my attention to the Linked Double Crochet Stitch - I hadn't really done this much before, but now I'm a big fan.
There are no loose "holes" in the fabric like in regular double crochet. Here is a photo tutorial for any of you out there who are new to the Linked Double Crochet stitch:
1. Start with a regular chain
2. Insert hook into second chain and pull up a loop (this is done instead of the yo in regular double crochet)
3. Insert hook into next chain and pull up a loop. Now, work off both loops as for regular dc: (yo and pull through 2 loops) twice. The first st is complete.
4. Insert hook behind the horizontal bar of the stitch you just worked (kind of similar to Tunisian crochet!). yo and pull up a loop. Next, insert hook into next chain of base chain, yo and pull up a loop. Now you have 3 loops on hook. Work as for a regular dc: (yo and pull through 2 loops) twice
5. Photo 5 shows the first 2 sts worked
6. Repeat step 4 all the way across. Photo 6 shows row 1 complete
The photo below shows two rows complete
As you can see, this stitch has a similar gauge as the regular dc but no loose holes. So, a great choice for a more solid fabric that still works up quickly!