Get 40% plus another 40% off (CLOSED) (CLOSED)

To celebrate black Friday, enjoy 40% off my store, plus use coupon BLKFRIDAY to get another 40% off.

This coupon is g
Old until December 1st, 2023

https://www.renderhub.com/history-degree-productions

FYI - Coupon discounts do not combine or "stack" on top of sale prices. 
The customer will receive whatever discount is greater - the sale price discount, or the coupon discount. 
In your case, since your products are already 40% off, the coupon would have no effect.