And now, please allow the shotgun rider of this shakotan kenmeri to demonstrate proper bosozoku door riding technique. The torso must be upright and positioned completely outside the vehicle. Grasp the grab handle tightly as the driver executes doughnuts.
Once proper form has been established, variations such as straddling the door sill or donning a full-body tiger outfit can be incorporated. This has been a public service announcement from JNC.