“Only Christian could turn me on with just a look and the flex of a ruler…” – Excerpt, 50 Shades Of Grey Discover the sensual thrills of spanking with this stylish ruler inspired by the erotic novels! Made from real wood, the 16” ruler is longer than standard rulers for that extra amount of leverage you need to make spanking amazing. It’s also the perfect prop for pointing, gesturing, and gently guiding your submissive.