Give CopyQ a try. Open source, cross platform clipboard manager with tons of features.
One example option is being able to only ever paste plain text. It also has lots of programming hooks, I have a few for doing things like converting a line-feed delimited list into one delimited by commas and quoting the values.
I think that would be a perfectly good jaw vise. But only put in a few dog holes, as shown in their product photos, to maximize rigidity.