Uploaded May 2023 | Updated September 2026, 2 days ago

---

Physics and Experiments demonstrating GriGri slipping in No-Hands Belay.
Head to brilliant.org/hardiseasy to get a 30-day free trial + the first 200 people will get 20% off their annual subscription.
Thank you Brilliant for stimulating our scientific thinking.

▀▀▀
00:00 Introduction
01:54 Physics
07:11 Experiments
14:31 Comparing Tests with Real World
16:03 New vs Old GriGri

▀▀▀
A huge thank you to those who helped me to understand this topic:
Prof. Pietro Meschini
Prof. Rainer Schad
Richard Delaney - https://www.ropelab.com.au/files/physics.pdf
All Instagram people answering my random physics questions.

▀▀▀
And also If you are getting value out of my videos and wanna feel good - consider supporting me: hardiseasy.com
Because that makes a big difference and is the main reason that allows me do this project!
Deep Thanks!
Ben