Slack Science

The Basics of The Buckingham Tensioning System

March 13, 2026

An overview of the Buckingham Tensioning System for slacklines - what it is, how to use it, information on gear selection, methods for keeping gear in good shape, and tips... Read more...

Webbing Stretch Testing Methods and Data Update

July 11, 2025

Stretch has always been a tricky thing to measure. There are so many factors that go into how a webbing stretches that it is very difficult to get a consistent... Read more...

Fully Upside-down Weblocks - Does it Matter?

April 5, 2024

Introduction Today we are going to analyze whether installing webbing into an Alpine WebLock 4, 5, or 6 fully upside-down has any effect on the holding power or strength of... Read more...

The Alpine WebLock - Retention Wars

May 26, 2023

A comparison of strength retention in slackline webbings used with the Alpine WebLock 4.0, 5.0, and 6.0/6.1. Which generation of AWL will give you the most strength in your webbings? Read more...

The MightyLock - Which loading orientation is best?

May 23, 2023

Introduction Today we are looking at the MightyLock and what sort of strength retention values we get on different types of slackline webbing. Not only are we interested in what... Read more...

Webbing Grips and Polyester-Sheathed Dyneema webbings

December 9, 2022

A warning about using polyester-sheathed Dyneema webbings with webbing grips! Doing so can lead to premature failure of the webbing as low as 6 kN! Take heed and please practice... Read more...

Adjustable Anchor Webbing - Testing the Configurations

December 15, 2021

Testing various configurations on the Adjustable Anchor Webbing plus recommendations for uses based on the results. Read more...

Slackline Webbing Usage Guidelines

November 5, 2018

Usage guidelines for slackline webbing including tips for extending the lifespan of your webbing as well as precautions for potential hazards for your slackline webbing. Read more...

Weblock Tail Tie-offs - Importance, Why They're Needed, and How To Do Them

May 24, 2018

Webbing slips in weblocks, it's a fact. In this article, we will discuss why this is happening and a simple way to prevent it, with detailed explanations for what to... Read more...

Methods for Efficiently Taping a Highline

February 13, 2018

A overview of a few ideas for increasing the efficiency of taping a highline. A few different tips and tricks to make the tedious process easier and faster. Read more...

All About Highline Tape Spacing

February 3, 2018

A discussion of the spacing of tapes on highlines and how that can contribute to the safety and walkability of your highline. Read more...

The Different Taping Methods for Highlines

January 28, 2018

An overview of the various methods of taping your highline, with instructions and pros and cons for 5 of the most common methods. Read more...

All About the Different Slackline Tapes

January 21, 2018

Information, pros and cons, and a test of different types of slackline tape for taping mainlines and backup lines together on highlines. Read more...

GGBY 2017 - The Rigging and Preparation

January 2, 2018

An overview of the rigging of GGBY 2017. We used A-Frames for all the lines with a unique structure plus consistent anchoring for every anchor. A lot of cool techniques... Read more...

Webbing Slippage in Different Weblock Orientations

April 30, 2017

A very simple test we did comparing webbing slippage in low tension highlines between upside-down and right-side-up weblocks. Read more...

Mainline and Backup Line Interactions

February 2, 2017

Interactions between mainline and backup lines on highlines can be quite violent. Here we explore two line interaction incidents and take a look at what we can learn from them... Read more...

Slackline Kit Purchasing Guide

December 15, 2016

A guide for choosing the right slackline kit for your needs. A number of considerations are discussed with pros and cons for each. Read more...

Loose Highline Backups - Potential Issues and Concerns

August 11, 2016

Loose highline backups is a growing trend in our sport due to the thought that this rigging style increases walkability. However, is this type of rigging safe for every highline? Read more...

How to Mitigate Webbing Slippage - The MMO Method

June 7, 2016

A method for mitigating slippage in weblocks on low tension slacklines and highlines. The MMO Method. Guest article written by Jediah Doohan. Read more...

Tensioning Off The Alpine WebLock 4.0

April 10, 2016

Here is a quick video tutorial on how to use the Alpine WebLock 4.0 as a rigging plate on the tensioning end of your slackline. Read more...

How to Use the BC LineGrip

March 22, 2016

A video tutorial on how to use all variants of the BC LineGrip with extra tips and tricks to maximize the functionality of the device. Read more...

Testing the bGebz Knot

February 16, 2016

Testing both methods of the bGebz Knot, also known as the Double Girth Hitch. Read more...

Anchoring The Alpine WebLock 4.0

February 8, 2016

A tutorial on anchoring the Alpine WebLock 4.0 using just a spanset and a tree, no additional hardware needed, using the bGebz Knot. Read more...

Slackline Webbing Usage Guidelines

September 7, 2015

Usage guidelines for slackline webbing including tips for extending the lifespan of your webbing as well as precautions for potential hazards for your slackline webbing. Read more...

How to Rig a Rodeoline

July 8, 2015

A tutorial on how to rig a rodeoline from BC Pro Jordan Tybon. Read more...

All About Soft Shackles

December 9, 2014

All about the new and amazing technology of Soft Shackles as used in slackline rigging. Read more...

How To Use Soft Shackles

December 8, 2014

A how-to on installing and using soft shackles. Read more...

A Comparison of Soft Shackle Methods

December 8, 2014

A comparison test between the different methods of tying soft shackles. Read more...

Testing Soft Shackles for Weaknesses

December 8, 2014

Testing soft shackles in a variety of configurations for weaknesses. Read more...

Various Tests with Soft Shackles

December 8, 2014

Various other testing with soft shackles connecting to various things. Read more...

Dyneema and Slackline Rigging

November 12, 2014

The technical properties of Dyneema and how it can be used for slackline rigging. Read more...

Highline Anchor Analysis - Spansets and Bolts

September 28, 2014

An in-depth look at a 4-bolt highline anchor using spansets in a sliding-x. A beefy setup that needs a bit more to be bomber. Read more...

Highline Anchor Analysis - 4-Bolt Anchor

September 22, 2014

An in-depth look at a 4-bolt highline anchor using static rope and dyneema. A super lightweight setup capable of extremely high forces. Read more...

Building Highline Anchors

September 18, 2014

A checklist for building and inspecting highline anchors in the field Read more...

A Better Slider Tape Method

August 25, 2014

A better, more efficient, and easier method to create slider tapes for your highline rig. Read more...

The Benefits of LineSkin Resin Coating

July 22, 2014

LineSkin Resin Coating is a protective layer for your slackline webbing that repels dirt and moisture while increasing the abrasion resistance. This article goes into the benefits of this amazing... Read more...

Abrasion Resistance of Slackline Webbing

July 22, 2014

The procedure by which we test the abrasion resistance of our slackline webbing. Read more...

Cutting A Main Highline Anchor

January 13, 2014

A simple test we conducted on a highline anchor to see what sort of shockload values could be expected if a main anchor were to fail. Read more...

Highline Shockload Simulation

October 30, 2013

Guest article written by Sayar Kuchenski about the affects of shockloading on a multi-bolt anchor situation during a single bolt failure. Read more...

Post Rigging Line Checks

October 28, 2013

An article about the checks you should go through once you have rigged a longline and are ready to walk. Also a guide for what to look for on a... Read more...

Properly Using the Edelrid Eddy

October 20, 2013

An article about how to properly use the Edelrid Eddy to ensure smooth tensioning and detension. Also, information about the unique camming style of the Eddy. Read more...

The Importance of Wind Dampeners

September 2, 2013

A test comparing the cyclic loading of a longline with and without wind dampeners on a windy day. Article written by Sayar Kuchenski. Read more...

How To Thread Tubular Webbing

July 21, 2013

An in-depth tutorial on how to thread a piece of slackline webbing. Article written by BC PRO-Team Athlete Jan Galek. Read more...

Posture While Slacklining

July 16, 2013

An article discussing the importance of posture during slacklining (written by Ivan Belostenko) Read more...

Comprehensive Longline Purchase Guide

May 8, 2013

A comprehensive guide on how to purchase a longline kit piecing together components yourself. Read more...

Efficiently Rigging a Longline - Part 3 - Derigging

April 23, 2013

Part three in a series of articles about efficiently rigging your longline. In this article and video, we will discuss the method by which you can derig your longline in... Read more...

Efficiently Rigging a Longline - Part 2 - Rigging

April 9, 2013

Part two in a series of articles about efficiently rigging your longline. In this article and video, we will be discussing the method in which you can rig your longline... Read more...

Efficiently Rigging a Longline - Part 1 - Packing

April 1, 2013

Part one in a series of articles about efficiently rigging your longline. In this article and video, we will discuss the pre-rigging steps you can take while you are at... Read more...