I tried seven different anti-choking devices. Here is the only one I trust in my own home.

1. The Heimlich fails more often than anyone tells you.

I am not going to tell you it does not work. It does, often. But I spent twenty-two years walking into homes where it had not, and the thing that stayed with me was never the panic.

It was the competence. These were people who had done the course, done it right, done it over and over. Nobody tells you the training has a failure rate. Your current plan is a good plan. It is not a complete one.

2. There are people you cannot do it on at all.

Abdominal thrusts need leverage, force, and a body that can take both. Think about who eats at your table. A one-year-old. Someone six months pregnant. Your mother, eight weeks after a hip replacement.

A husband a foot taller than you. Someone in a wheelchair you cannot get behind. And the one nobody plans for: you, on your own, at five in the afternoon. I did not want a plan that ruled out half the people I love.

3. The one I kept uses suction, not force.

You place a soft mask over the nose and mouth, press down until it seals, then pull the handle straight up. That pull draws the air out. The blockage comes with it.

Nothing is pushed. Nothing is compressed. No force goes into a body that might not be able to take it, and a one-way valve means air only ever travels out. For a frail eighty-year-old or an infant, that difference is the entire point.

4. It works when you panic. It only asks one thing.

Most of them had a sequence. Squeeze first, then pull. Two actions in order, and the second does nothing if you get the first one wrong.

Panic does not take away your strength. It takes away your sequence. The one I kept has no first step. The plunger sits down already, and the suction starts the moment you pull.

Three words. The middle one is where people go wrong.

• Place.Mask over the nose and mouth.
• Push.Press the device onto the face until the mask seals. Not the handle.
• Pull.Handle straight up.

5. You have about four minutes. Help takes longer than that.

Once the airway is fully blocked, no more air goes in. Unconsciousness comes in a couple of minutes. Brain injury starts somewhere around four to six.

An ambulance takes seven to eight minutes to reach most homes, and that is the average, not the bad day. I have driven those minutes. You are not waiting for us. You are the first four minutes. That is why a device you can use in about three seconds is worth the drawer space.

6. Nobody has to be trained. Including you, alone.

I handed it to my eleven-year-old grandson with no explanation and asked him to show me what he thought he was supposed to do. He got it right the first time he held it.

The person who saves you is whoever happens to be in the room. A teenager. A neighbour. Not the one family member who did the training. When the plunger is standing up, you can see it worked. And if there is nobody there at all, you press it to your own face and pull.

7. One kit covers everyone at your table.

Every kit comes with an adult mask and a pediatric mask. Same device, two faces. I did not have to work out which grandchild was big enough for which size.

That matters more at my house than most, because on a Sunday I have a two-year-old and an eighty-four-year-old at the same table. One purchase, and everybody I am responsible for is covered by it.

8. It will still work in five years.

You buy it, put it away, and it sits. Unopened, unchecked, quietly becoming a thing you assume is fine. Anything soft gets old. Rubber stiffens, folded material takes a set and stops coming back.

The one I kept is a rigid barrel with a fixed travel. The plunger goes the same distance today as it will in 2031. No batteries to be flat, no charge to check, no expiry to write on a calendar and then ignore.

9. I bought one for each of my three children.

I do not speak for the service I worked for and I am not telling you what anyone recommends. I am telling you what I did with my own money after seven of these.

One in my kitchen drawer. One in my car. One in my eldest's kitchen and one in the diaper bag, because a one-year-old does most of her eating away from the kitchen. My son has one. My youngest keeps hers by the dining table.

10. The best money I ever spent on my family.

We spend to protect them. The car seat. The outlet covers. The monitor by the crib that I checked four times a night. I have bought all of it. None of it covers choking.

My first aid refresher runs about ninety dollars and expires every two years. This cost me less than one refresher, it does not expire, and it does not depend on me remembering anything. I have never had to use mine. It has still been worth it, because I stopped watching my granddaughter eat. Not the emergency. The dinners before it.