), so it runs on every page. * * Any link to https://admin.southlondonacro.co.uk/book/… opens in a pop-up * instead of a new page. Without this script (or with JavaScript off) the * same links just open the booking page — nothing breaks. * * Book the next jam: https://admin.southlondonacro.co.uk/book/jam/lsbu-jam * Book a specific date: https://admin.southlondonacro.co.uk/book/jam/lsbu-jam?on=2026-10-17 * * The booking page talks back with three messages (admin/lib/book/embed.ts): * slac:height resize the pop-up to fit * slac:navigate card payment: send the whole window to Stripe * slac:close the "Done" button after a booking */ (function () { var ORIGIN = window.SLAC_BOOKING_ORIGIN || 'https://admin.southlondonacro.co.uk' if (window.__slacBookingPopup) return window.__slacBookingPopup = true function build() { var css = '#slac-book{border:0;padding:0;width:min(1120px,calc(100vw - 32px));max-width:none;max-height:calc(100dvh - 32px);' + 'border-radius:20px;overflow:hidden;background:#fff;box-shadow:0 30px 80px rgba(20,8,12,.35)}' + '#slac-book::backdrop{background:rgba(20,8,12,.55);-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}' + '#slac-book-bar{display:flex;justify-content:flex-end;padding:10px 10px 0}' + '#slac-book-close{all:unset;cursor:pointer;width:36px;height:36px;border-radius:999px;display:grid;place-items:center;' + 'font:600 22px/1 system-ui,sans-serif;color:#1d1b25;background:rgba(0,0,0,.06)}' + '#slac-book-close:hover{background:rgba(0,0,0,.12)}#slac-book-close:focus-visible{outline:2px solid #e11f26;outline-offset:2px}' + '#slac-book-frame{display:block;width:100%;border:0;height:70dvh;max-height:calc(100dvh - 90px);background:#fff}' + '@media (max-width:640px){#slac-book{width:100vw;height:100dvh;max-height:100dvh;margin:0;border-radius:0}' + '#slac-book-frame{height:calc(100dvh - 46px)!important;max-height:none}}' var style = document.createElement('style') style.textContent = css document.head.appendChild(style) var dialog = document.createElement('dialog') dialog.id = 'slac-book' dialog.setAttribute('aria-label', 'Book with South London Acro') dialog.innerHTML = '
' + '' document.body.appendChild(dialog) return dialog } var dialog = null function frame() { return document.getElementById('slac-book-frame') } function open(url) { if (!dialog) { dialog = build() document.getElementById('slac-book-close').addEventListener('click', function () { dialog.close() }) dialog.addEventListener('click', function (e) { if (e.target === dialog) dialog.close() }) dialog.addEventListener('close', function () { frame().src = 'about:blank' document.documentElement.style.overflow = '' }) } if (typeof dialog.showModal !== 'function') { window.location.href = url; return } frame().src = url document.documentElement.style.overflow = 'hidden' dialog.showModal() } document.addEventListener('click', function (e) { if (e.defaultPrevented || e.button !== 0 || e.metaKey || e.ctrlKey || e.shiftKey || e.altKey) return var a = e.target && e.target.closest ? e.target.closest('a[href]') : null if (!a || a.href.indexOf(ORIGIN + '/book/') !== 0) return e.preventDefault() open(a.href) }) window.addEventListener('message', function (e) { if (e.origin !== ORIGIN || !e.data || typeof e.data !== 'object') return if (e.data.type === 'slac:height' && typeof e.data.height === 'number' && window.innerWidth > 640) { frame().style.height = Math.max(360, Math.min(e.data.height, window.innerHeight - 90)) + 'px' } else if (e.data.type === 'slac:navigate' && /^https:\/\/checkout\.stripe\.com\//.test(e.data.url)) { window.location.href = e.data.url } else if (e.data.type === 'slac:close' && dialog) { dialog.close() } }) })()
12:30 - 14:00
Saturday 11th April 2026
@ LSBU Active

Castaways

Learn or refine this Icarian classic with and start throwing more consistent castaways!

Alternate Booking Link
About This Event

What to expect

L-basingIcariansPops

Level up your Icarians by locking in your Castaway! Whether you're working on your first Castaway or looking to move out of spots and into bigger Icarians, this workshop is for you! We cover safe progressions, refinements, and - of course spotting.

Your Teachers

Jacob & Hannah

Hannah and Jacob are a training partnership who both love learning and sharing the ins and outs of how to make acro tricks work - without getting too tangeled up in the details. If you're not laughing, you're doing something wrong!

Location

Where to find us

This event will be hosted at LSBU Active. Find directions to the event here using Google Maps or What3Words
Google Maps Linkwhat3words

Frequently Asked Questions

You've got questions and we've got answers for them!

Prerequisites

Before you join

  • A solid unspotted straight throw in Bird to Bird / Throne to Throne at minimum.
  • An unspotted Bird-to-Throne and Throne-to-Bird is preferable.
  • A willingness to spot

This is an Intermediate level workshop

Pricing

Your Investment

Book your ticket online today.

Full Workshop

£20

Access to the full workshop