Valve Spring “compressor”

I’ve had this thing for years and used it too much.
Im always reminded everytime I do, what it must feel like for that poor monkey and his football.
I am using it today on sb rotating retainers and its a hoot!
I am going to devise a bar lever rocker shaft style of my own. I’ve had it!
Just for fun…Any plans/ideas of a home made dealie out there?