Fin Placement Guides
FIN PLACEMENT GUIDES
http://www.mckeesurf.com/?page_id=267
https://greenlightsurfsupply.com/pages/how-to-shape-and-build-your-own-surfboard
http://www.mckeesurf.com/?page_id=273
https://lunasurf.co.uk/choosing-a-quad-fin-set/
https://shapersupply.com/