Some of the pulling kits have zig-zag wire that gets welded on to pull on, and have attachments with groups of hooks to do a linear pull. Here's a kit with the gizmos for linear pulling. I wasn't able to find the wires individually in a quick search. Disclaimer - I have not used anything like this.
Kevin 1951 Chevy 3100 work truck Follow this saga in Project Journal Photos 1929 Ford pickup restored from the ground up. | 1929 Ford Special Coupe (First car) Busting rust since the mid-60's If you're smart enough to take it apart, you darn well better be smart enough to put it back together.