I love the binding board. I wrap my finished binding on a cardboard tube, a half of a toilet paper tube is perfect, then I slide it onto an upright paper towel holder. The one from Dollar Tree is perfect. The binding unwinds perfectly as you are then sewing it onto your project.
Not in this video, but this method is fine for bias binding too. You just have to be careful of the bias and not to pull the fabric too hard and stretch it.