DIY light-duty arbor press for the cheapskate/maker

I saw this on the leatherworking subreddit (reddit.com/r/leatherworking). It’s a DIY arbor press made mostly of wood with a clamp and a drill chuck thrown in for good measure:

https://leather-craft.net/leather1679
video: https://www.youtube.com/watch?v=Yx4l_cJQKwg