

Introducing Trueline™
THE REAL ISSUE ISN’T YOUR STROKE
One clip. Real-time laser feedback. See exactly where your putter is aimed — and fix it before it becomes a habit.
Shop Trueline™ — $59.994.8★ Verified golfer reviews
Most golfers are fixing the wrong thing — their stroke.
Correct your path & the putts follow.
Stop Guessing. Start Seeing Clearly.
The Trueline™ projects a precise red laser line along your intended path — revealing in real time if your face is open, closed, or perfectly square. No more guessing. Just clear visual feedback every single stroke.
Indoors Or Under The Sky — The Line Stays Clear.
The upgraded Trueline™ projects a bold, high-visibility red laser that holds up beyond the living room. Take it out to the practice green, the backyard, or the course — the line stays crisp and readable in real outdoor conditions, so you get the same honest feedback outside as you do indoors. Open, closed, or perfectly square: you'll see it on every stroke, wherever you play.
HOW TO USE
CLIP IT ON
Clip the Trueline™ onto your putter shaft in seconds. No tools. No setup. Fits any standard shaft diameter.
AIM YOUR LASER
Align the red laser with your target line. The beam shows exactly where your putter face is pointing before the stroke.
TAKE YOUR STROKE
Make your putting stroke. Watch the laser trace your exact path and face angle in real time — every deviation instantly visible.
ADJUST & REPEAT
The laser never lies. See the error, adjust, repeat. Within minutes your brain builds new muscle memory — the correct path, ingrained.
Real golfers. Real results.
Customer Review

Drilled my best putting session in years. The laser line showed me I was aimed 3 inches right the whole time — fixed it in one session. My 3-putts are down 40% since.Michael T., 12 handicap

I was skeptical but after one week my 3-putts dropped noticeably. Finally a training aid that shows you exactly what's wrong, not just tells you.Dave L., avid golfer

Takes 2 minutes to set up and I use it before every round now. My stroke has never felt more consistent and my playing partners can't figure out what changed.Robert K., club member
Common questions
FAQ
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Trueline™ is designed to clip onto any standard putter shaft diameter — most steel and graphite shafts. It does not fit non-standard oversized shafts. If unsure, check the fit guide on vivalonix.co.
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Attach the Trueline™ to your shaft so the laser beam runs parallel to the putter face. Most golfers find setup takes under a minute with the included alignment guide.
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High-impact ABS housing with a precision laser diode and aircraft-grade aluminum clip. Built to withstand daily practice use.
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Compact at 4.2″ × 1.1″ × 0.9″. Runs on two AAA batteries lasting 20–25 hours of continuous use — months of practice sessions.
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