Rubes by Leigh Rubin for April 16, 2018

I wasn’t sure you could say that in a newspaper comic.

Sorry guys, your invention has already been thought of:

http://www.gocomics.com/looks-good-on-paper/2015/04/30

In fact, others are way ahead of you:

http://www.gocomics.com/speedbump/2018/04/13