Anonymous2 years ago000Is it possible to lock the yellow handle? My old model still has a knob on the back. Show in original language (German)Anonymous2 years ago • purchased this product000purchased this product Helpful answerNo, you can't.Show in original language (German)Commentrvonlanthen2 years ago • purchased this product000purchased this productNo, that's no longer possible. I imagine the reason is safety and avoiding accidents. Show in original language (French)Comment