Flexi lap belts can be changed from a pull up configuration to a pull down by simply rewrapping the lap hardware. This allows you to set the belt up just the way you want it for your specific situation. It also allows for Bolt In brackets to be wrapped in for the lap belts if needed.
Lap belts come configured as pull down. If you want pull up laps, here’s how to reweb them – https://www.youtube.com/watch?v=pmqqmBmt86c