The other day I had ask Jean what these were for, she said they had something to do with fishing.
It took a couple of days but I finally figured it out.
They are to hold my rod and keys when I go fishing. My rod is held so it can not get stepped on and/or broken and I cannot lock my keys in the pickup by mistake. Laying the pickup keys down and then closing the pickup door before picking them up again can lead to a very long day.