Rail connectors
Here you are offered a choice of various different rail connectors, from the brands Artiteq, Newly and STAS. You can connect 2 rails with this.
You will find a simple yet effective tool from the STAS brand for bending the flexible STAS Evoluon rail parallel to a circumferential wall.
With the brands Artiteq and Newly, the relevant Rail wall clip is used as a rail connector, by sliding both rails to one side of the clip.