I am getting ready to tie my own crawler harnesses and would like to get others opinion on recommended leader length for open water trolling on Lake Erie with jets and dipsys.

Would it be okay to make the harnesses 12” long then add an additional leader between the harness and diving planer or is it better to eliminate the extra leader and make the harnesses longer.

I plan on using 30lb. test Yo Zuri Hybrid with VMC size 2/0 octopus hooks and # 5 colorado blades.