I have fitted back-bars for clients in the past but only single ones and not the old-fashioned cross-bar type .
The modern style of playing using the back hand to produce ” notes ” or in other words to change the tone of the Bodhran is impeded by the cross-bar type of back-bar , a single bar however does much the same job in terms of steadying the drum and if it is positioned correctly shouldn’t obstruct your playing .
Please feel free on ordering your new Bodhran to request a back-bar if you would prefer one.