Skateboard Backpack

Does anyone else think that when you climb something or are on foot in general, instead of the board just being dropped, they need to add some type of way for you to hang on to it. Like a skateboard backpack or something as simple as a buckle that or string that holds onto the board and wraps around you like a sash or shoulder strap. But Backpacks would definitely be cooler because its another thing to add to your person and can style