1.0Oom Yung Doe Learning Centerhttps://oomyungdoe.com/learnBrad Heilmanhttps://oomyungdoe.com/learn/author/nibrad/Introduction — The 4-Level System - Oom Yung Doe Learning Centerrich600338<blockquote class="wp-embedded-content" data-secret="ws6IQd6MPM"><a href="https://oomyungdoe.com/learn/introduction-the-4-level-system/">Introduction — The 4-Level System</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://oomyungdoe.com/learn/introduction-the-4-level-system/embed/#?secret=ws6IQd6MPM" width="600" height="338" title="“Introduction — The 4-Level System” — Oom Yung Doe Learning Center" data-secret="ws6IQd6MPM" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script>
/*! This file is auto-generated */
!function(d,l){"use strict";l.querySelector&&d.addEventListener&&"undefined"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!/[^a-zA-Z0-9]/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),o=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),c=new RegExp("^https?:$","i"),i=0;i<o.length;i++)o[i].style.display="none";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute("style"),"height"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):"link"===t.message&&(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",function(){for(var e,t,s=l.querySelectorAll("iframe.wp-embedded-content"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute("data-secret"))||(t=Math.random().toString(36).substring(2,12),e.src+="#?secret="+t,e.setAttribute("data-secret",t)),e.contentWindow.postMessage({message:"ready",secret:t},"*")},!1)))}(window,document);
//# sourceURL=https://oomyungdoe.com/learn/wp-includes/js/wp-embed.min.js
</script>
Introduction to Oom Yung Doe The 4-level training system The Oom Yung Doe training system features multiple levels of instructors divided into four teams, ranging from 1st Degree Black Belt Instructors all the way to traditional martial arts Masters who have learned directly from Grandmaster Iron Kim. A true traditional martial arts Master is extremely […]https://oomyungdoe.com/learn/wp-content/uploads/2020/09/cropped-oyd-logo-small.webp17046