I have offered him some GFT creams in tubes to try out, Musgo Real, T&H Rose cream (tub) and recently ordered some DRH soaps to try out.
He is mostly interested in the Proraso, Musgo Real and now these inbound DRH soaps (Sandalwood and Lavender). He does not seem to have any interests in the others mentioned above at this time.
I also ordered a scuttle from WestCoast shaving to try. As seen here:

And here:
