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Adam Savage’s Tested
How Batman's Gauntlets Are Made to Break Blades!
2 min read25 Apr 2026Worth watching
TL;DR
Adam Savage visits FBFX in London to examine the original League of Shadows gauntlets made for Batman Begins (2005). Co-founder Grant walks through the pre-digital, labor-intensive manufacturing process used 20 years ago, contrasting it with modern digital fabrication techniques.
Key points
1
FBFX made 30-40 pairs of the League of Shadows gauntlets for Batman Begins using entirely pre-digital, hands-on methods including brass etching, multi-stage molding, and car body filler
2
The decorative patterns were brass-etched, polished to round edges, molded, then cast in a bendable material and layered into the sculpt across multiple mold generations — each generation introducing measurable shrinkage
3
The steel spikes on the gauntlets are real hand-ground steel, made by a traditional armor maker in Prague, because stunt scenes required practical sword breaks and ice-hooking sequences
4
The gauntlet body was originally handmade in leather, then silicon-molded and sprayed in urethane — a then-groundbreaking technique that made stunt armor nearly indestructible and reusable across multiple productions
5
A hidden closure mechanism designed by co-founder Andrew mimics a freezer-bag locking system — a tube detail that pops into an undercut slot — praised by Savage as elegant engineering invisible to the audience
Key takeaways
→
Multi-generation molding requires proactive shrinkage compensation — each generation loses dimensional size, and miscalculating even once can produce unusable props
→
Sprayed urethane (PU) with adjustable durometer replaced fiberglass and vac-form for stunt costumes because it survives full productions without breaking, changing client expectations from 'it will break in two weeks' to 'it will make it to the end of the show'
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Digital tools accelerate manufacturing but do not reduce total production time — makers simply iterate more, investing saved time into greater design complexity and refinement
Notable quotes
“Some of this stuff it really you wish it would just fall apart one day because it just comes back film after film in different films.”
“The more technology doesn't necessarily mean you get it done any quicker — instead we can make a little change here and redo and redo and redo.”
“With all the extra time that you gained in the ease of manufacturer, you're going to put into art. You're going to put into the design. You're going to make it more complex, more detailed.”
Worth watching?
✅
Worth watching the full video?
Watch if you want to see and hear Grant handle the actual original gauntlets up close — the visual detail and Grant's hands-on storytelling add texture the summary cannot fully replicate.
Saved you some time? The creator still deserves a like.
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