Two Hands, One Button: Using GOOD LUCK Without Looking

By GETAUVE Editorial Team · Published October 26, 2026

Two Hands, One Button: Using GOOD LUCK Without Looking

On day three the charge is still above half, and you still can't find level three without looking.

One button and five levels means you're counting clicks in the dark. Here's a blind-operation method that works by feel, and where it stops working.

The Short Answer

Use the button as a counter, not a dial. Hold it for two seconds to power on, then count short presses from the bottom: one press is level one, three presses is level three. Rest your thumb on the seam between the shell halves so you always start from the same place. The method is reliable up to about level four. Past that, you're better off turning on a light for two seconds than guessing.

Why a Single Button Is Harder Than a Dial

A dial gives you position. A button gives you sequence. With one button and five levels, the device has no idea where it was when you turned it off, so it always starts from the bottom.

That's actually helpful, and most people don't realize it. Because GOOD LUCK resets to level one on power-up, every session begins from a known state. You're not resuming from an unknown point. You're counting up from a fixed floor.

The difficulty is that the click is quiet and the shell is smooth. At 42 dB, the motor is quieter than the button press at close range in a silent room, so your ears are not a reliable guide. Your thumb has to do the counting.

Mapping the Clicks

Five levels means four transitions before the wrap. Press once and you're at level one. Press again and you're at two. The fifth press returns you to one, which is the part that trips people up in the dark.

So the counting rule is simple: stop at four. If you've pressed five times, you're back at the bottom and you probably think the device is broken.

There's a tactile cue if you pay attention. The button on a 4.7-inch body sits about a third of the way down the shell, and the press has a short travel with a firm stop. It's not a mushy membrane. That firmness is what makes counting possible without looking.

The Thumb Rest Position

Anchor your thumb before you start. Rest the pad on the seam where the two halves of the shell meet, with the button just under the tip.

From that position, a press is a small downward movement rather than a reach. The reach is what causes miscounts, because your thumb has to travel and you lose track of whether the last press registered.

This matters more with long nails, since the pad contact is reduced and the press becomes a poke. If that's your situation, use the side of the thumb rather than the tip, and press with the joint rather than the nail.

• Anchor on the seam, not on the button.
• Press down, don't reach forward.
• Count out loud under your breath for the first week.

Practice With the Lights On

The first time you try this, do it in a lit room with the device in your hand and nothing else happening. Press to level three, power off, and repeat. Do it five times.

What you're building is a motor sequence, not a memory. The count should become a rhythm rather than a decision. Most people need about five repetitions before the rhythm holds, and about three sessions before it's automatic.

Then test it in the dark, but with a fallback: keep one finger on the shell so you can feel the vibration step change. Each level is a distinct jump, not a smooth ramp, so your hand can confirm what your thumb counted.

What You Give Up Without a Screen

The downside of no display is no exact confirmation, no battery percentage, and no memory of your last setting. Those are real omissions, and they're worth knowing before you buy.

The battery is the one that catches people. GOOD LUCK runs about 70 minutes per charge and takes roughly 90 minutes over USB-C. Without an indicator, the honest approach is a weekly charge on a fixed day rather than waiting for the motor to slow.

There's a 3-second travel lock, which is genuinely useful in a bag but adds one more thing to remember. If the device doesn't respond, hold the button for three seconds before assuming the battery is dead.

The IPX7 rating is the compensating strength. A one-piece shell with no seams to trap residue wipes clean in about 30 seconds, and that simplicity is the same design decision that produced the single button.

Where Blind Operation Stops Working

Skip this method if you need to switch levels mid-session without breaking rhythm, because a single button is the wrong interface and no amount of practice fully solves it. If you have reduced feeling in your hands, counting clicks by feel is unreliable, so use a light instead. And don't buy this one if you want an exact battery readout. It won't give you one at any level of practice.

Sources

• National Institute on Deafness and Other Communication Disorders — general reference on sound levels.
• Consumer Product Safety Commission — guidance on button-cell and lithium-ion device safety.
• International Electrotechnical Commission — IPX7 ingress protection definitions.

This article is general education about device handling, not medical advice. If reduced hand sensation affects daily tasks, a clinician is the right person to ask.