Please help me find this "joiner"
I'm making a cribbage board. It will have two layers, each 3/4" thick. Top one is the board itself. Bottom layer is for card and peg storage. I would like to "join" these two boards in one corner with a rivet type of joiner. What I picture is a 1.5" t shaped top with a mating t shaped bottom,with one barrel slightly larger than the other. Drill an appropriate hole; slip one barrel into the hole. Slip second barrel into the first barrel. Press or hammer them together. Presto -- a nice looking, permanent and functional swivel joiner for the two boards with dime sized discs showing on top and bottom.
But how it works is secondary. Main thing is to have a nice looking, permanent and functional swivel joiner for the two boards. I don't think screw type (t nuts) of joinery would work because it would be prone to coming loose and falling apart.
I'm pretty sure what I'm looking for is out there. I just don't know what to call it or where to look.