Lee Priest Plate Bicep Curls
It took me some time to find a clip of Lee doing this movement, but here it is. This is a great exercise to finish off training the biceps or something you can super-set an exercise with.
You want to make sure to squeeze and contract the bicep at the top of the movement. You can experiment with keeping the plate close to your torso, or a little bit out like if you were to do ez-bar curls.