When using Nitromors, please wear safety glasses and rubber gloves.
I have stripped 3 frames last year and it's easy to do it if done right, what you need is a small paintbrush, wirewool and a small scraper.
Put some Nitromors in a cup so you can dip the paintbrush in, apply on the frame (do a few tubes a time), leave it for 10 mins, it will start peeling on it own and then use the small scraper to strip the paint off the frame, after the frame is near enough bare, dip the wirewool in Nitromors and rub it on frame to get smooth finish, when done use a damp cloth to wash the nitromors off and then take it indoors to dry off.
Forget hand can spray jobs, it wont last and by the time you spend a few cans of primer, paint and laquer, you will better off using that money at the powder coaters and your frame will be ready for the build later on.