Since this is a recurring subject lately, and in way calmer launch conditions than I'm used to, I figured I'd share as an unsolicited PSA
MD180 is an expensive, non-buoyant part of my gear, so I am *never* on the water without it leashed in. Not even to transition from launch setup to engaged and locked in. Not for a second.
I don't use a Hobie made Leash because they already make enough money selling me molded plastic and molded plastic accessories.
I just use doubled up paracord from Home depot with a carabiner. I've wiped out in surf at least 2x and had my drive come loose from its bungee, and it seems to do the trick.
Here's what that looks like. The leash is just long enough that it reaches to the bungees where I store the drive when launching, and has never gotten in the way of pedaling.
Highly recommended.