Performance Tools
GS1
Groove System
The first groove-performance system built specifically for the scoring zone. Inside 150 yards, precision is everything.
The System
Clean Grooves.
Better Control.
The performance chain behind every shot inside 150 yards.
01
Clean
Dual-bristle system removes debris from every groove
02
Friction
Restored groove geometry maximizes club-to-ball friction
03
Spin
More friction generates the spin your short game demands
04
Control
Predictable spin means predictable ball flight, every time
Performance Tools
Fendo GS1 Groove System
Groove System
The first groove-performance system built for the scoring zone. Engineered from the grip up — modular, precise, and built for golfers who understand that clean grooves are non-negotiable.
- Patented dual-bristle groove system for deeper cleaning
- One-touch hydration mist sprayer
- Removable precision groove pick
- Replaceable bristle cartridges
- Custom soft-feel TPE grip core
- Modular design for longevity
In The Box
What's Included.
01
GS1 Groove Performance Tool
The full system, ready to go
02
Dual-Bristle Cartridge
Pre-installed, replaceable
03
Precision Groove Pick
Removable for detailed cleaning
04
Hydration Reservoir
Refillable one-touch mist sprayer
See It In Action
The GS1 at work.
Watch what happens when engineering meets intention. The GS1 isn't a brush — it's a system. Dual bristles, precision hydration, and a groove pick built for shots that decide rounds.
Designed for inside 150. Built for golfers who take the scoring zone seriously.
Shop the GS1Patented System
Dual-Bristle Design
Two rows of precision bristles clean deeper than any single-brush tool on the market.
Modular Build
Replaceable Cartridges
Swap cartridges when bristles wear — the tool lasts, only the cartridge changes.
One-Touch
Hydration Mist
Built-in spray system loosens grime before the bristles do their work.
The Collective
Better gear starts with better habits.
Join the Fendo Collective for member-only gear drops, early access to new products, and a community that holds you to a higher standard.
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