Custom cards with scratch-off ink that can be scratched off with a coin. These are great for promotional branding.

Custom card that you can scratch a part to reveal a gift , prize, discount, or even better luck next time or make it custom, have the card be custom and make section to scratch off

Scratch-off feature for stickers, cards, posters, etc.

Scratch off stickers either to put over existing photo to scratch off(like lottery ticket) or with photo/design on sticker part with material on top to scratch off(the dream) would be my hope for a future design.

Adding the option the have custom scratch offs portions in your artwork. Similar to having “starch offs” as a material

Fully customizable, or a few different sizes for normal rectangle tickets. For businesses. Offer discounts, for example 5% off or free t shirt, option for multiple scratch areas.

two layer sticker. top print can be scratched off to reveal under graphic. Example, poo emoji then scratch to reveal Trump.