{"version":"1.0","provider_name":"Shop4 Martial Arts Blog","provider_url":"https:\/\/www.shop4martialarts.co.uk\/blog","title":"Grappling: Heel Hooks From Guard - Shop4 Martial Arts Blog","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"OpHpDusik4\"><a href=\"https:\/\/www.shop4martialarts.co.uk\/blog\/grappling-heel-hooks-from-guard\/\">Grappling: Heel Hooks From Guard<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/www.shop4martialarts.co.uk\/blog\/grappling-heel-hooks-from-guard\/embed\/#?secret=OpHpDusik4\" width=\"600\" height=\"338\" title=\"&#8220;Grappling: Heel Hooks From Guard&#8221; &#8212; Shop4 Martial Arts Blog\" data-secret=\"OpHpDusik4\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script>\n\/*! This file is auto-generated *\/\n!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);\n\/\/# sourceURL=https:\/\/www.shop4martialarts.co.uk\/blog\/wp-includes\/js\/wp-embed.min.js\n<\/script>\n","thumbnail_url":"https:\/\/www.shop4martialarts.co.uk\/blog\/wp-content\/uploads\/mel-heel-hook.jpg","thumbnail_width":500,"thumbnail_height":389,"description":"They might be frowned upon in competition, and in many cases ILLEGAL within comps adhering to IBJJF rules, but amongst the grappling community, particularly the catch wrestling crowd, heel hooks are a firm favourite that [...]"}