Yup, how to portage a Hala SUP. As one that paddles in the Boundary Waters Canoe Wilderness Area, portaging is a huge component to getting from lake to lake.
My first time, was to just hand carry my board. Works for those shorter portages but when you have a backpack full of gear, lifejacket, fishing gear, and a board adds up quickly. Plus, your grip strength will be shot in a hurry. I've tried a number of way and ended up always coming back to my first idea. Using a simple NRS Tie Down Strap as a sling.
I dislike taking gear that is not multi purpose on adventures, which an NRS strap you can use for a number of things from tie-down/up, clothing line, safety applications, bear bag line, and so much more.