Spring is here, and if you’ve been spending any time in parking lots or cruising neighborhood streets lately, you may have spotted something a little unusual hanging off the front of a modified car. It looks like a black strap with a metal heart shape at the bottom, kind of pointy, maybe a little edgy. And your first thought was probably something like, “What in the world is that?”

You’re not alone. A Reddit user named Vee4Victory recently posted a photo of exactly this accessory and asked the internet to explain it. The responses came flooding in, and they were pretty fascinating. Turns out, this little strap has a whole story behind it, and it stretches all the way back to Japan’s public transit system.

The accessory is called a tsurikawa. The word comes from two Japanese terms: “tsuri,” meaning “hang,” and “kawa,” meaning “leather,” which was the original material these straps were made from. If you’ve ever ridden a subway or commuter train, you’ve seen the concept before. Hanging straps give standing passengers something to grip while the train moves. That’s exactly what tsurikawa were designed for.

So how did a train handhold end up dangling off the front bumper of a car in your suburb? That part of the story is where it gets interesting.

Tsurikawa made the jump from trains to cars through Japan’s JDM scene, which stands for Japanese Domestic Market. JDM culture is all about automotive modification, style, and a healthy dose of rule-bending. According to JDM Performance, tsurikawa represent “a mix of rebellion against conventional norms and a passion for automotive style.” The first ones to appear on cars were reportedly stolen right off the trains, which fit the rebellious spirit of the subculture perfectly. Today, though, there’s a whole market built around buying them legally, and they come in all kinds of shapes, colors, and materials. The heart-with-horns design you’ve probably seen is just one popular variation.

Here in the suburbs, you’re most likely to spot tsurikawa on the cars of enthusiasts who follow JDM modifications or street car culture. Think lowered suspensions, aftermarket wheels, maybe some kind of body kit situation. The tsurikawa is a badge of community membership, a nod to a specific style of automotive passion that has roots going back decades in Japan.

Now, here’s the practical note worth passing along to anyone in your neighborhood or carpool who comes across one of these. The Reddit thread that sparked all this interest included a very clear warning from people who know the scene: do not mistake a tsurikawa for a tow point. The strap looks heavy-duty, and the hardware at the bottom can look industrial enough to seem functional. But it is purely decorative. If someone tries to use it to tow a vehicle, they are going to have a very bad and very expensive afternoon. Spread the word on that one.

If your teenager is into cars and has started talking about JDM culture, tsurikawa might already be on their radar. It’s actually a pretty harmless and affordable way to show enthusiasm for the hobby. A basic tsurikawa runs anywhere from about $15 to $40 depending on the design, and hanging one from a bumper or tow hook cover requires about zero tools and maybe three minutes of your Saturday. That’s my kind of project.

The broader JDM modification scene can get expensive fast, especially once you start factoring in wheels, suspension work, and body kits. But accessories like tsurikawa give younger enthusiasts an entry point that doesn’t require emptying a savings account. And honestly, learning the history behind something like a train strap becoming a car culture symbol is a pretty cool reminder that automotive passion shows up in all kinds of unexpected ways around the world.

So next time you’re walking through a parking lot and spot one hanging off a bumper, you’ll know exactly what you’re looking at. And now you can explain it to whoever’s standing next to you giving it a puzzled look.