Alpha style shift cable bellows help

[HPwannabe]

Greetings collective brain trust. I’m preparing to install a new lower shift cable, and just wondering if any of you have a favorite instructional video or any particular tips to make this task easier. The particular task I’m hoping for help with is the bellows installation. I don’t know why it didn’t occur to me to put that thing on there when I had the whole thing disassembled on the bench, but I went brain dead that day. So i’d be grateful for any tips or tricks you have learned.