Today I try to purposely cross a Cayenne with Dorset Naga. I don't know if you can but it may well be worth a try.
I took and picked away the bloom leaves of a outslagen Cayenne since I also took off the stamens as only the pistil was left. I took a flower from the Dorset Naga and rubbed lightly des stamens against Cayenne flower pistil. I then noticed the flower by hanging a small patch on blomstjälken so I can keep track of which fruit is crossed.