Application is easy: clean off the surface, stick down the vinyl decal, and smooth any bubbles out with the side of a credit card. Then turn on your wiper and watch the kitty’s tail swish swish swish! Application is easy: clean off the surface, stick down the vinyl decal, and smooth any bubbles out with the side of a credit card. Then turn on your wiper and watch the kitty’s tail swish swish swish! $12.99