https://finatic.com/
Finatic.com offers the ability to test out endless surf fins and surfboard fin setups to see which works best for you and your style. The process is easy:
1. Pick your fins online.
2. They mail you the fins.
3. Use the fins.
4. Return the fins.
This simple subscription model lets you try out every surf fin you can for a low monthly cost. Save money, surf better.
