Give your reclaimed boxes and bags a sturdy upgrade by adding wire handles....

https://sirachapete736.gumroad.com/p/why-does-thicker-than-3-5-mm-wire-feel-impossible-to-bend

Give your reclaimed boxes and bags a sturdy upgrade by adding wire handles. Using 2-3 mm galvanized wire, you can easily twist and shape strong grips that hold up over time. Punch 3-3