Black Friday Sale
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.
Sophie Z.
Love how I can change the tightness whenever I want! My hands feel stronger, especially when picking up groceries.
Ben W.
Can’t believe how well it works. My weak wrist from gaming feels way better since I started using this daily.
Noah P.
Daily workouts with this thing made my wrists sturdy. The adjustable knob is simple for making it right for me.
Ethan V.
Fun way to make hands stronger every day.
Chloe S.
My whole family tries it for fun. The handle is soft and it fits everyone’s hands, even my little brother’s.
Mason D.
Awesome wrist tool! I use it while watching TV. My hands and fingers aren’t tired at work anymore.
Henry C.
I use it before basketball practice. Super easy to increase resistance for some extra challenge—definitely helps with dribbling.
Madison S.
Nice for quick exercise, handle feels very soft.
Ava J.
Comfy grip, easy to use, works everywhere.
William Q.
Fits in my gym bag, really helps wrists.