No where in the regs does it say "single point hook restriction" like it does for salmon and strugeon. So since they are legal and effective I use Mustad duratain trebles (3549D). 9.0X0.75" pipes get a 12/0 and 12.5X0.75" get a 14/0. Google images has photos of SundayMonday's description for hook placement.
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RIP Tyler Greer. May Your seas be calm, and filled with "tig'ol'bings"!