Driving tack

[ahlam1399]

I'd like to get a roller that lets me long line/lunge with two reins easily. The most suitable looking thing I can find is a driving saddle e.g.https://www.ebay.co.uk/itm/NYLON-DRIVING-HARNESS-FOR-SINGLE-HORSE-IN-PURPLE-COLOR-FULL-COB-PONY-SHETLAND/122706704850?epid=1944120727&hash=item1c91e3b9d2:m:mKCtr3in4RhgEHo7V9G2VEQbut I'm wondering if this type of saddle attaches with a normal girth?Advice gratefully received!

أكثر... (http://www.horseandhound.co.uk/forums/showthread.php?758187-Driving-tack&goto=newpost)