fell free to share here (or another thread) if you want @Wedgy
open and sign in to crunchyroll , click on profile and that should open up a few drop down tabs , there you can click on guest pass and it will open up the page
from left to right rgwewa the date you acquired it , the code it self , type , status , expire date (if not used) , who used it (if used) then a link setup (I sometimes mistaken give this instead of the code but the code itself seems easier)
as I donk now anyone irl that could/would use them I offer them here if any one wants to try out the premium crunchyeoll for a few days