Knife Defense [Aikido Ukemi] Advanced Ukemi Tutorial / 11 Different Exercises Posted on October 30, 2017 by enginejuan 30 Oct Click here to know when our next video comes out! ▻▻ We release new, unique Aikido videos every week! Check our other videos … Doug Marcaida | Marcaida Kali | Fighting with a Hammer FOX Karambit Knife Tips and Tricks Video – Watch it NOW !!!