Boost Grip for Everyday Confidence
Unlock new power for daily tasks using the Threo trainer. Simple movements quickly make the hands, wrists, and lower arms feel stronger. Compact size fits easily in most bags for travel or home use.
Adjustable Resistance
Challenge your hands using custom tension levels for progress. Fine-tune settings with a twist, so every session suits your needs.


Comfortable Grip
Soft padded handle prevents pain and avoids slipping during use. Enjoy each squeeze with a secure hold, no matter your hand size.
Strengthens Muscles
Regular practice targets weak wrists, helping support sport or work. Benefit from improved power in fingers, forearms, and hands.

















William Q.
Fits in my gym bag, really helps wrists.
Liam E.
Durable, easy to use, and fits in my pocket. I practice while on Zoom calls and really feel the difference.
Anna L.
I keep the gripper in my car and use it in traffic. Comfortable to hold and doesn’t pinch my palms at all.
Madison S.
Nice for quick exercise, handle feels very soft.
Chloe S.
My whole family tries it for fun. The handle is soft and it fits everyone’s hands, even my little brother’s.
Ella F.
This hand squeezer is just right for quick workouts anywhere. Soft grips and light but strong enough for real results.
Ethan V.
Fun way to make hands stronger every day.
Sophia B.
My arms used to get tired quickly, but now I feel steadier and more confident carrying heavy bags around town.
Ava J.
Comfy grip, easy to use, works everywhere.
Henry C.
I use it before basketball practice. Super easy to increase resistance for some extra challenge—definitely helps with dribbling.