Lars747 months ago000Does it help to install small ramps on the doorstep?Show in original language (German)swissconnex7 months ago • purchased this product000purchased this product Helpful answerIt actually needs it. The D10 copes well with +3cm high thresholds. Thresholds would only be an advantage for noise reduction. The D10 rumbles back and forth to get over the obstacle.Show in original language (German)Comment