That part of glider setup, the last thing to put on, right at the front of the hang glider wing, where the leading edges and keel join.
The image is a screen grab from a video where Rohan Holtkamp of Dynamic Flight shows how to setup a floater hang glider.
As a non-trivial way to try out front-end tech I'm interested in I've reproduced a few pages from the flare timing frontend, the nose cone 😉.
Here is what one of the competitions looks like when rendered.
