That is an awesome idea!!! I never heard of something like that. I always just used whatever heavy junk I had around. Where would a regular fellow get railroad iron? I never saw it advertised or actually looked for it for any reason.
1968 Chevy C-30 292 SM 465 1995 Jeep Grand Cherokee 242 4.0 2005 Jeep Wrangler SE 2.4L & 6 spd