The Keel Kit
The KEEL kit includes a transparent straw made of recycled plastic and a 1.5 m Black Chock cord (5 mm) with high elasticity and a durable cover of braided polyester silk. So basically some plastic and a bungee cord... but it will give you a great keel mount! And that is all that matters.
Please note that you have to buy the KEEL pull buoy separately.