{"id":8,"date":"2026-05-08T23:10:36","date_gmt":"2026-05-08T20:10:36","guid":{"rendered":"http:\/\/closethehooks.com\/?page_id=8"},"modified":"2026-05-08T23:17:47","modified_gmt":"2026-05-08T20:17:47","slug":"the-book","status":"publish","type":"page","link":"https:\/\/closethehooks.com\/","title":{"rendered":"The Book"},"content":{"rendered":"\n<figure class=\"wp-block-image alignleft size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"724\" height=\"1024\" src=\"http:\/\/closethehooks.com\/wp-content\/uploads\/2026\/05\/cover-724x1024.png\" alt=\"\" class=\"wp-image-17\" style=\"object-fit:contain;width:400px;height:800px\" srcset=\"https:\/\/closethehooks.com\/wp-content\/uploads\/2026\/05\/cover-724x1024.png 724w, https:\/\/closethehooks.com\/wp-content\/uploads\/2026\/05\/cover-212x300.png 212w, https:\/\/closethehooks.com\/wp-content\/uploads\/2026\/05\/cover-768x1086.png 768w, https:\/\/closethehooks.com\/wp-content\/uploads\/2026\/05\/cover-1086x1536.png 1086w, https:\/\/closethehooks.com\/wp-content\/uploads\/2026\/05\/cover-1448x2048.png 1448w, https:\/\/closethehooks.com\/wp-content\/uploads\/2026\/05\/cover.png 1768w\" sizes=\"auto, (max-width: 724px) 100vw, 724px\" \/><\/figure>\n\n\n\n<p><strong>Make smarter lifting decisions \u2013 not based on habit, but on mathematics<\/strong>.<\/p>\n\n\n\n<p><em>Close the Hooks<\/em> is a unique technical textbook that combines the mechanical principles and mathematical analysis of lifting operations into a clear and practical guide. The book is aimed specifically at professionals in design and supervisory roles who wish to base their assessment of lifts on computational understanding, rather than on experience alone.<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p>The book is suitable for:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Worksite managers and lifting planners<\/li>\n\n\n\n<li>Personnel responsible for site safety and supervision<\/li>\n\n\n\n<li>Teachers and industry trainers<\/li>\n\n\n\n<li>Technically-oriented industry professionals<\/li>\n<\/ul>\n\n\n\n<p>The book covers topics such as:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Moment calculations and the analysis of unbalanced conditions<\/li>\n\n\n\n<li>The effects of the center of gravity on lifts and loads<\/li>\n\n\n\n<li>Calculation of sling angles and force distribution<\/li>\n\n\n\n<li>Applying vector calculus and trigonometric reasoning to practical lifts<\/li>\n<\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"691\" src=\"http:\/\/closethehooks.com\/wp-content\/uploads\/2026\/05\/contents-1024x691.png\" alt=\"\" class=\"wp-image-16\" srcset=\"https:\/\/closethehooks.com\/wp-content\/uploads\/2026\/05\/contents-1024x691.png 1024w, https:\/\/closethehooks.com\/wp-content\/uploads\/2026\/05\/contents-300x203.png 300w, https:\/\/closethehooks.com\/wp-content\/uploads\/2026\/05\/contents-768x518.png 768w, https:\/\/closethehooks.com\/wp-content\/uploads\/2026\/05\/contents-1536x1037.png 1536w, https:\/\/closethehooks.com\/wp-content\/uploads\/2026\/05\/contents.png 1619w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n<\/div>\n\n\n\n<p>The book does not require advanced mathematical studies but presumes logical thinking, a mastery of basic calculation, and an interest in computationally understanding the phenomena of lifting operations.<\/p>\n\n\n\n<p><strong>Available exclusively:<\/strong><br>The printed and electronic versions of the book are available only through the author&#8217;s website.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<a href=\"https:\/\/kirjapalvelin.koukutkiinni.fi\/payment_en.php\" target=\"_blank\" rel=\"noopener noreferrer\">\n  <button style=\"\n    background-color: #007bff;\n    color: white;\n    font-size: 18px;\n    padding: 12px 24px;\n    border: none;\n    border-radius: 6px;\n    cursor: pointer;\n    transition: background-color 0.3s ease;\n  \" onmouseover=\"this.style.backgroundColor='#0056b3'\" onmouseout=\"this.style.backgroundColor='#007bff'\">\n    Buy the book (44,00 \u20ac)\n  <\/button>\n<\/a>\n","protected":false},"excerpt":{"rendered":"<p>Make smarter lifting decisions \u2013 not based on habit, but on mathematics. Close the Hooks is a unique technical textbook [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"class_list":["post-8","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/closethehooks.com\/index.php?rest_route=\/wp\/v2\/pages\/8","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/closethehooks.com\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/closethehooks.com\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/closethehooks.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/closethehooks.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=8"}],"version-history":[{"count":2,"href":"https:\/\/closethehooks.com\/index.php?rest_route=\/wp\/v2\/pages\/8\/revisions"}],"predecessor-version":[{"id":29,"href":"https:\/\/closethehooks.com\/index.php?rest_route=\/wp\/v2\/pages\/8\/revisions\/29"}],"wp:attachment":[{"href":"https:\/\/closethehooks.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=8"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}