Noise-Cutting Rescue Whistle

When loud is not enough, TriReso helps your signal stand out. This 3-module rescue whistle system uses siren-inspired resonance and irregular frequency shifts to cut through wind, rain, traffic, and campsite noise. Choose single, dual, or full 3-module mode for seven distinct whistle options. Hidden multi-point magnets and alignment grooves snap modules together fast, while merged lanyard holes add carry security. A pealess design works in rain, sand, heat, or cold, and each module includes a tritium slot for low-light findability. Available in titanium or aluminum with compact, everyday carry sizing. Back TriReso on Kickstarter now.

About

We don't design for decorate. We create purposeful gear - built to be used, again and again, for years to come. We believe tools should earn their place. They should feel right in your hand: ready, reliable, ruthlessly functional. We don't waste time on fluff. We fight for simplicity, stand for durability, and let beauty emerge from the way things work. Because real design isn't about showing off - it's about showing up, and lasting a lifetime. Got an idea? Let's design it together. The next great tool could begins with your spark.

FAQ

What does it mean to back a project (pledge)?

When you back a project, you are pre-ordering the product. That means you will get it once it's produced. Besides getting the product itself, you're also joining a community. Follow along the production process, take part in important surveys and give the creator valuable feedback.

What is Kickstarter?

Kickstarter is a launchpad for creators to raise funds for the initial production of their invention. Backers (that's you!) can support the creator by pre-ordering the product at a discounted price.

How do I pledge?

In order to pledge, click that green button that says Back this project . You will get to select your shipping country and choose your desired pledge level and reward.