Monitor arm under $150: CLAMP not SCREW

I cant find any monitor arm that will work for my needs. I am trying to install a monitor arm between my couch and my sidetable. I would like to keep the distance between the table and the couch as small as possible, but that isnt a big priority

the BIG priority is that the table is my wife's grandmother's, so no drilling or damaging is allowed. If any decent monitor arms are available that have a clamp or something to that effect that would be wonderful.


A backup solution (backup is the key word here) may be to get a regular screw in monitor arm, and screw it into a plank that I could hide underneath the couch. Idk how that would work, but Its always worth a try. If anyone knows of a high quality monitor arm or any type, I would still like to know about it


And finaly, do clamp-on monitor arms work if you clamp it on a vertical surface, and have it straight up from the vertical surface???


Thanks for reading this post, I know its pretty long, but I just cant seem to find a monitor arm that suits all of my needs