1973 Dart brake failiure

Hey again, been waiting for parts to arrive, but I believe im ready now to begin this probably painfull process. My first issue is I dont have a vice, and everywhere I look it says I must bench bleed the replacement MC with a vice before I install it in the vehicle.

I've checked my hoses and I dont see any leaks, so im willing to continue with them the way they are. I have one of those standard brake bleeding kits with the adapters and the hoses and bottle and stuff, as well as access to a handheld vacuum pump if that method would work better in your opinion.

I've seen somone bench bleed the MC by installing it and using the brake pedal to actuate it, but I've also heard that that doesn't fully work, I'd like to hear your opinions on the matter, and if required, maybe some tips for bench bleeding without a vice.

Thanks in advance.