The cooler is pressed into place with two spring-loaded pins in specific holes on the ... you first need to attach it to the connector labelled FAN, which is located behind the outer USB connectors.
In a Discord channel dedicated to modifying the Pin, users quickly figured out how to uncover the hidden DIM connectors—they were covered with a moon-shaped sticker of Humane’s logo—that ...
In manufacturing environments they have pogo pin jigs, an array of spring-loaded pins carrying the programming signals that line up perfectly with the appropriate pads on a PCB places on top of it.