Oh, tricky one, it kind of pulls everywhere by definition. Hmm, two options,a thicker cord or tying a knot at your clit and having it a bit looser in general perhaps?
Source: http://japanesemusume.tumblr.com/post/154201201638/yuuka-osawa-34-so-much-nicer-than-panties
Alternatively, wear a butt plug.