Slack Science

Webbing Grips and Polyester-Sheathed Dyneema webbings
Webbing Grips and Polyester-Sheathed Dyneema webbings
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...
Weblock Tail Tie-offs - Importance, Why They're Needed, and How To Do Them
Weblock Tail Tie-offs - Importance, Why They're Needed, and How To Do Them
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
Methods for Efficiently Taping a Highline
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
All About Highline Tape Spacing
A discussion of the spacing of tapes on highlines and how that can contribute to the safety and walkability of your highline. Read more...
GGBY 2017 - The Rigging and Preparation
GGBY 2017 - The Rigging and Preparation
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
Webbing Slippage in Different Weblock Orientations
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
Mainline and Backup Line Interactions
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...
Loose Highline Backups - Potential Issues and Concerns
Loose Highline Backups - Potential Issues and Concerns
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
How to Mitigate Webbing Slippage - The MMO Method
A method for mitigating slippage in weblocks on low tension slacklines and highlines. The MMO Method. Guest article written by Jediah Doohan. Read more...
Highline Anchor Analysis - Spansets and Bolts
Highline Anchor Analysis - Spansets and Bolts
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
Highline Anchor Analysis - 4-Bolt Anchor
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
Building Highline Anchors
A checklist for building and inspecting highline anchors in the field Read more...
A Better Slider Tape Method
A Better Slider Tape Method
A better, more efficient, and easier method to create slider tapes for your highline rig. Read more...
Efficiently Rigging a Longline - Part 1 - Packing
Efficiently Rigging a Longline - Part 1 - Packing
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...
Standing Tension Versus Working Tension
Standing Tension Versus Working Tension
Guest article by Sayar Kuchenski on the relation of Standing Tension versus Working Tension with different webbing types. Read more...
All About Webbing Anchors
All About Webbing Anchors
An in-depth article on the various types of slackline webbing anchors and how they are used. Read more...
Line Sleeves
Line Sleeves
Line Sleeves - What are they, how to use them, and what to use when you need them. Read more...
Slider Tapes
Slider Tapes
Highline taping technique to allow for the backup and main line in a highline to move independently of eachother. Read more...
Gear Test - Leash Fall Simulations
A highline leash fall simulation test using two strands of a prototype Vectran webbing. We tested the total force on the whole system as well as just the backup line using both standard anchors as well as dynamic anchors. Read more...
The Sliding-X Anchor
The Sliding-X Anchor
An article all about equalizing bolts. This mostly deals with the sliding-x anchor that is most commonly used for highline setups with bolts. This technique works for any number of... Read more...