On the one hand, the TSA precheck application has a binary M/F gender selector. OTOH, dig these hair color options. May 6, 2016 rossgradyinstagram, photography Post Views: 1,608 Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Like this:Like Loading... Related Post Views: 1,608 Like this:Like Loading... Related On the one hand, the TSA precheck application has a binary M/F gender selector. OTOH, dig these hair color options.