MJB has the right idea. A high quality magnetic clamp may solve your problem. You should expect to pay extra and have to special order one of these. Most "in stock - made in China" magnetic clamps look like a stereo speaker magnet with a spring and stud sticking out of it.
Tweco makes...
If my previous suggestion is out of the question ... call the Community College instructor. He will probably refer you to one or more of his best students that needs to make a few extra bucks.
Community College is your best bet. Welding is simple if you know what you're doing. You'll learn very basic metallurgy and that alone will save you a lot of headaches. Drop in and tell the instructor what you want to learn. In some cases just having another body in classroom will keep the...
Magnetic ground clamps don't work very well. The contact pressure is usually applied by a spring that weakens due to heat generated by electrical resistance between the work and ground. The poor connection will cause arcing (scars) that will be made worse by metal shavings. Anything between...