Hi Ryan, and welcome. You already got some great advice. I've never used a Shavette myself, but hear they are so sharp, they do tend to cause irritation. Definitely, lighten up, and mind the angle of the blade. Also, be sure to do a good prep. If you don't shower first, use a hot towel on your face, then apply some pre shave oil. Olive Oil can be use, or even baby oil. Used on a regular basis, this will help soften your beard. Good quality soap or shave cream helps too.

Proraso is a good soap, so no worries there. Some guys will hit trouble spots, like your chin with the old multi blade razor until they get the hang of str8 shaving.
Rich