I've very many lovely bookmarks I've collected over the years'.
Any spare I give to local Library for their 'stay at home' readers'.
I always kept spares too, in my work bags, & give them to people on the train, if I saw them ready to 'dog ear' a book!
'Greeting Cards' make beautiful bookmarks!
Mistreatment of a book is anaethema to me. My parents' bought me many books, & taught me how to look after them.
I love looking at my books in my Lounge Library, as they mean so much to me, on their varying subjects!
They're admired by visitors', too.