There are times that something calls for ashes, e.g.:
The meal right before Tisha B'Av, you're supposed to eat a hard-boiled egg dipped in ashes.
A groom puts ashes on his forehead shortly before the wedding, to remember the destruction of Jerusalem.
Where do you get ashes?
There are times that something calls for wine, e.g.:
Kiddush on Shabbat and holiday nights and days
Havdala on Saturday night and after holidays.
What's the best way to make wine?
– Double AA Jul 20 '16 at 15:14