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Great info ...look up your local seamstress or canvas / tarp even upholster ..spotlight will have reams of cloth and polar fleece ..I’m sure for a price and a box off beer the local upholster can...

I’ve gone with tubes slip your into it’s bag then into a capped down pipe , you can drill a hole top and bottom add a sling ..shimano gave me the idea with their 4 piece trout rods ..great for bush...