Where is the offset blade positioned when using a simple block and tackle for lowering?

In a simple block and tackle system used for lowering, the offset blade is positioned around and under the belayer's buttock. This positioning is crucial because it allows the belayer to effectively manage the rope while maintaining control over the lowering process. By having the offset blade in this location, the belayer can leverage their body weight to ensure stability and control, reducing the risk of sudden drops or swings that could occur if the system were improperly managed.

The location of the offset blade directly influences the dynamics of the lowering operation, helping to distribute forces effectively and ensuring a smooth descent for the person being lowered. Proper positioning of this component also plays a critical safety role, enabling the belayer to react quickly and appropriately as the load changes during the lowering process.