Durable, Lifelike Rubber Fly Tying Material for Squirmy Worm Patterns
If you’ve ever been frustrated by fragile squirmy materials that tear, melt, or fall apart mid-tie, MFC Trina’s Squirm Material changes the game. Designed by Montana Fly Company, this innovative hybrid material blends a soft silicone outer coating with a reinforced chenille core, delivering the lifelike movement anglers love—without the headaches.
Built for modern fly tiers who demand durability and performance, Trina’s Squirm Material offers unmatched handling, resilience, and fish-triggering action in the water.
Perfect For Tying
- Squirmy Worm Patterns
- San Juan Worm Variations
- Attractor Nymphs
- High-Visibility Trout Flies
Why Anglers & Fly Tiers Love It
Hybrid Durability Design – Reinforced chenille core wrapped in a soft, rubbery silicone coating for significantly improved strength over traditional squirmy worm materials
Ultra Lifelike Movement – Supple, flexible construction creates a natural wiggling action that perfectly imitates aquatic worms drifting in current
Heat & Adhesive Resistant – Won’t melt, deform, or break down when exposed to common fly tying glues or warm conditions—ideal for summer tying and storage
Easy to Tie & Work With – Holds up under thread tension, making it far more user-friendly than standard squirmy materials
Best Fishing Applications
- Trout Fishing – Dead-drift under indicators, euro-nymphing, or high-water conditions
- Panfish & Warmwater Species – Bluegill, crappie, and bass can’t resist the movement
- Dirty or High Water – High visibility and motion excel when fish rely on vibration and profile
The Bottom Line
MFC Trina’s Squirm Material delivers everything anglers love about squirmy worms—extreme movement, fish-catching appeal, and versatility—while eliminating the biggest frustrations of traditional materials. It’s tougher, easier to tie, and built to last, making it a must-have for any fly tier targeting trout or warmwater species.








