How to tie a releasable knot (Equipeur 8 + mule knot + overhand knot) - Application: The EMO technique is used for a releasable rappel, combining a figure-eight knot, a mule knot, and a simple knot to close the system. - Advantages: Reliable for group rappels, it saves time and ensures effective rope control during the descent. Ideal for managing excess rope. - Disadvantages: Requires careful setup and training to avoid errors; can be challenging in turbulent water or complex terrain. - Total breaking strength: greater than 18 kN - Tips: Always anticipate rope retrieval; ensure clear communication with your teammates. Make sure your descender is properly set before dismantling the system.