Tow a Boat With a Bike : 6 Steps (with Pictures) - Instructables

Bike Trailer for Towing Adults : 8 Steps (with Pictures) - Instructables

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Tow a Boat With a Bike : 6 Steps (with Pictures) - Instructables

The best DIY bike trailer instructions - reacha

Mad Hacks – Make: Volume 46 - Make: DIY Projects and Ideas for Makers

Bike Trailer for Towing Adults : 8 Steps (with Pictures) - Instructables

Heavy Loads Bike Trailer : 5 Steps (with Pictures) - Instructables

The best DIY bike trailer instructions - reacha

Bicycle Tow-bike : 4 Steps - Instructables