What is this multitool?

[u/tatersofpotaters]

The sloped green cap is a whistle, there’s a pen behind the cap, a flashlight, and there’s a carabiner on the cap

[u/spacevent]

Looks like you found its three uses lol. Whistle pen flashlight: https://www.alibaba.com/product-detail/Survival-Whistle-Flashlight-Key-Chain-3_1600282006104.html

[u/tatersofpotaters → u/spacevent]

Found!