You won't believe how strong micro stoppers are! Climbing nuts tested in real rock
Climbing nuts tested to destruction in real rock. Watch us do our first tests of passive climbing protection in some bomber granite. We tested a Black Diamond Micro Stopper, some BD stoppers and an older Wild country nut. Let us know if you want to see more tests of passive climbing protection. Check out this video where we broke nuts in the cam crusher adapter in our Slacksnap machine. • Climbing Nut & Hex Break Tests Thank you Carl Mitchell for donating the nuts tested in this video. Big thanks to Michael Rogers @wolf_in_the_weeds. Thanks for bringing your enthusiasm, expertise and most importantly pulling muscles to this project. Our results: ►Number 5 BD Micro Stopper MBS 6kn. Carabiner broke wire at 9 kn. ►Number 4 BD Stopper MBS 6 kn. Wire broke in bend around nut at 7.13 kn. ►Number 7 BD stopper MBS 10 kn. Wire broke at carabiner. Peak force off. Felt about 13kn?? ► Wild Country Rock Number 8. Wire broke at carabiner at 9.6 kn. 👉 Learn and SHOP at https://www.hownot2.com/shop 👉 Best EMAILS on Earth: https://www.hownot2.com/signup 👉 SUPPORT US and get gear discounts https://hownot2.com/support 👉 10% off ROCKY TALKIE by clicking https://www.hownot2.com/rocky Busting Nuts! 00:35 Micro Stopper 02:17 #4 stopper 03:37 #7 stopper 05:22 Wild Country nut 08:08 Bonus Content

How strong are CAMP Tricams? We tested them in real rock

You have 10 of these, one could kill you

Who's ACTUALLY the World's Best Climber?

C4 vs Ultralights: Testing Climbing Cams AT BLACK DIAMOND'S LAB

If you do this, DON'T do it wrong!

Watch This Before Buying Climbing Gear in 2026!

Pro vs Amateur vs Epic Hill Climb

I Outsmarted Pro Car Thieves

The Terrifying Last Minutes of Rock Climber Chelsea Walsh

I Hate Amazon's 12kN Carabiners

Designed to fail?!

Do you know these 35 tips for alpine trad?

Petzl said to NEVER do this

Who would do this???

Violence Expert: Real Self-Defense Is TERRIFYING

5 Mistakes You MUST Avoid When Trad Climbing

Don’t break your rope

Toothless Gears Make Much More Torque Than Conventional Ones, Here's How. Cycloid Drive Explained

MIT Explains the 12 Possible Endings for AI

