A few years back, my fishin' partner strained his shoulder hoisting his kayak up onto the car. We still had a week to go on our trip so it was either learn to cast with the off hand or not fish at all.
After a couple of days he had it licked. Double haul and all.
I see him fishing left handed regularly now when a stiff breeze is blowing over the right shoulder. It looks a lot easier than casting backwards or with the rod tip angled over your head.
I've tried to learn myself but sofar I stink.
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"The trout were laughing so hard at us that they considered evolving legs so they could crawl on to land and catch their breath"
Dave Barry
The simpler the outfit, the more skill it takes to manage it, and the more pleasure one gets in his achievements.
--- Horace Kephart