I know they do.
Don’t be shy about asking if they have yarn… if they don’t have any the week you go that just means no one has donated any that week. Keep checking back.
I am one of those people who gets weirded out asking stupid questions in retail environments because I feel like the second I leave everyone who works there is going to say “Wow did you hear how stupid and annoying that girl was?”
But in this situation, I would feel totally comfortable asking :)
Hope this helps.
I have never thought of making a coin purse before….