May 23, 2007 · Now, can she use a D-Ring Tether Connector Strap and wrap it around that bar and connect the tether to that? Laws and technicalities asside, in your personal opinion please? Reply. ADS: joolsplus3 Admin - CPS Technician. May 23, 2007 #2 For RF, yes. For FF, that's a defininte No...Britax definitely says no to the D-ring FF.