How to Build a Bicycle Cargo Trailer: 14 Steps (with Pictures)
How To Build a DIY Cargo Bicycle Trailer - Cargo Bike Trolley Cart Homemade - YouTube
PEXMOR Foldable Bike Cargo Trailer with Universal Bike Hitch, Bicycle Wagon Trailer with 16" Wheels & Reflectors, Large Loading Bike Trailer Storage Cart - Walmart.com
World's Best DIY Bike Cargo Trailer – Mother Earth News