In mechanical systems, a coupling is used to connect two shafts or rotating components in order to transmit torque, power, or motion. Couplings help in accommodating misalignments, absorbing shock loads, and protecting equipment from damage. Here are the main types of couplings commonly used in the petroleum and industrial sectors: --- 1. Rigid Coupling ⚙️ Principle: Provides a solid, fixed connection between two shafts, with no flexibility or movement. Application: Used in applications where sh

The essence of knife tapping is to fortify perception-action coupling. As such it should not and cannot be choreographed beyond initial phases of learning. Here with one of my brothers and mentors in the art (and in the art of teaching) @jaredwihongi Two common mistakes I observe in the presentation of Filipino Martial Arts flow drills: 1. That it is representative of a fight 2. Staying attached to patterns and predictability In the specific iteration of the drill shown here, the focus is on ini