This black thingy (technical term) would get attached to the K galley to hold the glass sink cover up when you attach the utensil holder to it.
These pawn magnets are used to hold the K shower curtain tight against the back doors.
This is the Diverter Plug that you use when you remove the 3M water filter when you winterize. (2014 – 2017 models)
This is the key to the battery box when you have an “L” model.