About 87 years ago at a spanking party I encountered a woman wrote messages on masking tape and fixed them to her panties for the spankers to see. I can not recall a single message, I only saw two, but they were humorous. I think women are more fun than men in things like this. Anywho, here are some panties with printed messages on them. Bacall says they are informational. I suppose you can make your own with transfer material.
Collect the whole set