One of the most important parts of your stand up paddle boarding kit is your SUP specific leash. For your safety, the safety of others, the leash is going to keep you tethered to your board at all times. Read more about why the leash is such an important part of paddling here.
There are several types of leash, which we cover in this SUP leash guide, but they all usually attach to you and your board in a similar fashion. The only exception being a leash used on whitewater that attaches around your waist for even quick and easier release in case of an emergency.