Rail Rac Slide Tracks allow you to attach gear securely in place via BOTE's Rail Rac system. This new feature can be mounted to 6 different locations across the rails of the Rackham Aero. Compatible with Rackham Aero SUP ONLY. Accessories Attachments Sold Separately**. TWO (2) BOTE Rail Rac Slide Tracks Rail Rac Slide Tracks allow you to attach gear securely in place via BOTE's Rail Rac system. This new feature can be mounted to 6 different locations across the rails of the Rackham Aero.