Here’s the first thing to try:
But you know Tumblr, and my blog, has a search function, right?
http://female-orgasm-denial.tumblr.com/search/crotch+rope
And now, this is actually what you really want, but you know… ten seconds was all those last two took to do… This last one is my most popular post of all time I think!
http://female-orgasm-denial.tumblr.com/post/121499270313/the-crotch-rope-step-by-step-this-is-my