Make an adjustable miter bar

The table saw I am interested in getting has t-slot style miter slot rather than a purely rectangular shape

So far I made a rip fence for the table saw For cross cuts, it's best to use a miter gauge, or a crosscut sled like the one shown at left These ride in a slot

miter slot So far I made a rip fence for the table saw For cross cuts, it's best to use a miter gauge, or a crosscut sled like the one shown at left These ride in a slot

miter slot bar The miter gauge slides in a slot on the worktable on the machine being used Typically, the miter gauge and the workpiece are held