DIY Dual Swing ArmOverview Build your own rear mounted camp setup with the HitchFire DIY Dual Swing Arm. Designed for makers, van builders, overlanders, and anyone who wants a custom swing out system, this arm gives you the core HitchFire swing away platform without locking you into a pre built box, grill, or kitchen layout. Mount your own storage box, kitchen insert, cargo tray, or custom build and swing it away from your rear hatch, tailgate, or camper door when camp