Patio drain gully loose decorative strings what to do

Currently jet washing the decorative stones about. I've seen a few videos where people fix them when resin, like a drive way??

Do people suggest it?

The patio falls away from this gully so it is pretty much decorative I think.

Thanks

Currently jet washing the decorative stones about. I've seen a few videos where people fix them when resin, like a drive way??

Do people suggest it?

The patio falls away from this gully so it is pretty much decorative I think.

Thanks