While jig styles and methods vary, jigging for tuna can be broken down into four basic types.
Deep-Water Jigging and Lure Fishing - The Fishing Website
Jigging for Bluefin Tuna Hogy Sand Eel Jigs
Offshore Jigging Tactics
Outer Banks anglers welcome bluefin tuna to their bluewater
TUNA FISHING TECHNIQUES - Tunana Fishing
Offshore Insights: Choosing the Right Vertical Jig – BluefinUSA
How To: Troll Harness Jigs for Bluefin Tuna by Hogy
Jigging for Bluefin Tuna - On The Water
Jigging for Bluefin Tuna - Melton Tackle