Did manage to find a double needle and just tucked under the raw edges.
This was my inspiration dress that I saw years ago. The blue lace dress was part of the retro-stash I had that belonged to my mom. I cut away the lining and made a tank style dress to wear under it. My original plan was to make several different colored dresses to wear under it.
(LOL! Just realized this mannequin looks like how I prefer to photograph myself!)
So, maybe tomorrow I'll make some progress on sewing something from the knit stash.