Having used my mill for about 3 years now I think the best thing I have done to it was a power draw bar. It is much quicker, and safer in my opinion than a manual method. And it is a great DIY project. Here is a link to the one I made.
https://www.hobby-machinist.com/search/241719/?page=3&c[users]=RebelJD&o=date
https://www.hobby-machinist.com/search/241719/?page=3&c[users]=RebelJD&o=date